{"schema_version":1,"checked":"2026-10-02","routes":[{"id":"fairyland-loop","title":"Fairyland Loop","subtitle":"Around Boat Mesa, above and below the rim","deck":"Follow the rim through forest, then descend into a long circuit of fins and hoodoos. The return climb is part of the story.","facts":{"distance_mi":8,"distance_km":12.9,"ascent_ft":1900,"ascent_m":579,"duration":"4–5 hours","difficulty":"Strenuous","source_id":"nps-fairyland-loop"},"shape":"loop","reversible":true,"direction":"Counterclockwise from Fairyland Point (NPS recommendation)","source":"utah-trails","arrival_id":"fairyland-point","scope":"Mapped loop from Fairyland Point. The Tower Bridge spur is a separate optional variant; parking approach is not included.","variants":[{"id":"tower-spur","title":"Include Tower Bridge spur","shape":"loop-with-stem","note":"Adds the same documented spur once outward and once back. NPS does not clearly state whether its published 8.0 miles includes this side trip."}],"differences":"NPS lists 8.0 mi / 12.9 km in its main details and 7.8 mi / 12.6 km in accessibility details. Both differ from this generalized mapped line. Spur inclusion is not explicit in the published total.","context":"Fairyland Point has no park shuttle stop. Check NPS access and conditions before planning a return.","stats":{"ascent_m":498.0,"descent_m":498.0,"min_m":2182.2,"max_m":2484.6,"distance_m":11731.708,"raw_ascent_m":552.9,"ascent_50m_samples_m":459.1,"profile_interval_m":24.961,"vertices":409,"samples":471},"packet":"fairyland-loop.json","stops_count":3,"map_bounds":[396875.5,4165322.5,400389.2,4167871.4],"thumbnail_profile":[2371.1,2376.6,2378.1,2393.6,2400.8,2425.2,2466.7,2477.3,2441.9,2454.6,2429.8,2422.7,2414.0,2365.4,2336.9,2298.1,2272.6,2224.5,2215.8,2259.4,2267.2,2249.9,2242.4,2269.9,2284.4,2295.5,2264.2,2219.0,2205.6,2188.2,2211.9,2219.0,2241.5,2301.2,2347.6,2371.1],"distance_difference_pct":-9.1,"variant_label":"Loop without Tower Bridge spur"},{"id":"queens-garden","title":"Queen’s Garden","subtitle":"Down among the hoodoos, then back uphill","deck":"An out-and-back journey from Sunrise Point to the Queen Victoria viewing spur. Read the return half of the profile before you begin.","facts":{"distance_mi":1.8,"distance_km":2.9,"ascent_ft":450,"ascent_m":137,"duration":"1–2 hours","difficulty":"Moderate","source_id":"nps-queen-s-garden-trail"},"shape":"out-and-back","reversible":false,"direction":"Descend from Sunrise Point; return on the same path","source":"utah-trails","arrival_id":"sunrise-point","variants":[],"scope":"Sunrise trail junction to the mapped Queen Victoria viewing spur and back. The viewpoint and the hoodoo are different locations.","differences":"This mapped line is materially shorter than NPS’s 1.8 mi / 2.9 km hike. The compilation may generalize switchbacks or use different endpoints. No extra distance is invented to match NPS.","context":"This is a descent into the amphitheater followed by an uphill return. A low calculated ascent does not establish effort or accessibility.","stats":{"ascent_m":130.3,"descent_m":130.3,"min_m":2317.1,"max_m":2438.4,"distance_m":2256.733,"raw_ascent_m":140.5,"ascent_50m_samples_m":126.4,"profile_interval_m":24.53,"vertices":123,"samples":93},"packet":"queens-garden.json","stops_count":3,"map_bounds":[397277.0,4164744.9,397840.8,4165328.3],"thumbnail_profile":[2438.4,2426.1,2412.4,2395.5,2386.8,2379.9,2371.1,2360.0,2349.2,2345.4,2335.4,2327.7,2322.4,2322.1,2317.3,2318.5,2319.1,2323.1,2323.1,2319.1,2318.5,2317.3,2322.1,2322.4,2327.7,2335.4,2345.4,2349.2,2360.0,2371.1,2379.9,2386.8,2395.5,2412.4,2426.1,2438.4],"distance_difference_pct":-22.2},{"id":"queens-navajo","title":"Queen’s Garden / Navajo","subtitle":"Two trails joined by a walk along the rim","deck":"Descend Queen’s Garden, take the viewing spur, climb the Two Bridges side of Navajo, then follow the Rim Trail back to Sunrise.","facts":{"distance_mi":2.9,"distance_km":4.6,"ascent_ft":625,"ascent_m":191,"duration":"2–3 hours","difficulty":"Moderate","source_id":"nps-queens-navajo"},"shape":"loop-with-stem","reversible":false,"direction":"Clockwise, descending Queen’s Garden (NPS recommendation)","source":"utah-trails","arrival_id":"sunrise-point","variants":[],"scope":"Two Bridges variant, including the Queen Victoria spur. Wall Street is not part of this line. Rim Trail completes the loop.","differences":"The published NPS loop distance is approximate and can describe either Navajo side. This packet fixes Two Bridges and includes the short Queen Victoria detour. The dated line compilation yields a different distance.","context":"NPS recommends descending Queen’s Garden and ascending Navajo. Check current restrictions; the preview does not certify that Two Bridges is open.","stats":{"ascent_m":191.2,"descent_m":191.2,"min_m":2262.8,"max_m":2437.6,"distance_m":4076.326,"raw_ascent_m":205.5,"ascent_50m_samples_m":183.5,"profile_interval_m":24.856,"vertices":179,"samples":165},"packet":"queens-navajo.json","stops_count":3,"map_bounds":[396951.2,4164004.8,397894.9,4165339.6],"thumbnail_profile":[2437.4,2415.0,2389.6,2376.1,2356.2,2345.2,2329.5,2322.4,2317.3,2319.3,2323.3,2309.4,2296.5,2283.5,2276.4,2268.5,2263.8,2263.5,2266.3,2271.0,2274.8,2287.6,2303.3,2315.2,2342.1,2375.7,2400.8,2417.6,2427.5,2436.7,2433.7,2431.1,2432.1,2431.2,2432.2,2437.4],"distance_difference_pct":-11.4,"variant_label":"Two Bridges + Queen Victoria spur"},{"id":"navajo-loop","title":"Navajo Loop","subtitle":"Two sides of one steep descent","deck":"Wall Street and Two Bridges meet below the rim. A short shared stem at Sunset Point is walked at both the beginning and the end.","facts":{"distance_mi":1.3,"distance_km":2.1,"ascent_ft":515,"ascent_m":157,"duration":"1–2 hours","difficulty":"Moderate","source_id":"nps-navajo-loop-trail"},"shape":"loop-with-stem","reversible":true,"direction":"Counterclockwise: down Wall Street, up Two Bridges (NPS recommendation)","source":"nps-trails","arrival_id":"sunset-point","variants":[{"id":"two-bridges-return","title":"Two Bridges out-and-back","shape":"out-and-back","note":"Retraces Two Bridges from the lower junction. This has a different distance from the published full-loop total; it does not imply current winter access."}],"scope":"Full mapped loop with the shared Sunset stem. Wall Street is seasonally closed; choose the Two Bridges study to examine an out-and-back shape.","differences":"NPS’s dedicated page gives 1.3 mi / 2.1 km; the hiking index gives 2.2 km. These are published approximations. The derived profile samples ground beside narrow walls and cannot represent tunnels or tread precisely.","context":"Wall Street has a regular winter closure. A loop line on this page is not an opening report.","stats":{"ascent_m":155.6,"descent_m":155.6,"min_m":2283.2,"max_m":2436.7,"distance_m":2239.237,"raw_ascent_m":176.6,"ascent_50m_samples_m":150.6,"profile_interval_m":24.88,"vertices":321,"samples":91},"packet":"navajo-loop.json","stops_count":3,"map_bounds":[396970.4,4163930.9,397549.8,4164761.0],"thumbnail_profile":[2436.7,2430.4,2420.2,2409.8,2399.2,2390.9,2385.7,2376.4,2374.7,2357.8,2335.7,2326.4,2318.7,2309.2,2302.6,2296.6,2291.7,2288.2,2284.8,2283.3,2288.0,2296.2,2304.1,2312.1,2322.2,2337.8,2349.6,2363.8,2373.2,2382.8,2392.7,2403.4,2412.0,2421.6,2430.4,2436.7],"distance_difference_pct":6.6,"variant_label":"Wall Street + Two Bridges loop"},{"id":"peekaboo-loop","title":"Peekaboo Loop","subtitle":"A loop with a climb to get home","deck":"Reach the loop from Bryce Point, circle through the amphitheater, and retrace the connector. The approach is part of the hike.","facts":{"distance_mi":5.5,"distance_km":8.9,"ascent_ft":1560,"ascent_m":474,"duration":"3–4 hours","difficulty":"Strenuous","source_id":"nps-peekaboo-loop"},"shape":"loop-with-stem","reversible":false,"direction":"Clockwise on the loop, with Bryce Point connector in both directions","source":"utah-trails","arrival_id":"bryce-point","variants":[],"scope":"Mapped trailhead near Bryce Point to the loop and back. The overlook and parking are separate arrival/context points.","differences":"The UGRC line is shorter than NPS’s 5.5 mi / 8.9 km. NPS’s general index uses 8.8 km and says clockwise required; the dedicated page says recommended. This study always uses clockwise and keeps that wording conflict in the audit.","context":"Horses and mules may share this trail. NPS directs hikers to yield to riders. Confirm current guidance before hiking.","stats":{"ascent_m":447.5,"descent_m":447.5,"min_m":2267.2,"max_m":2529.1,"distance_m":7466.101,"raw_ascent_m":529.4,"ascent_50m_samples_m":403.6,"profile_interval_m":24.97,"vertices":291,"samples":300},"packet":"peekaboo-loop.json","stops_count":3,"map_bounds":[397212.0,4162270.6,398398.3,4164180.8],"thumbnail_profile":[2529.1,2509.3,2462.4,2434.4,2413.9,2403.3,2388.2,2357.2,2332.1,2343.5,2362.4,2331.2,2354.9,2358.4,2367.8,2344.4,2335.6,2306.9,2281.6,2276.8,2313.4,2341.3,2341.7,2312.3,2290.7,2280.3,2298.2,2337.5,2357.2,2388.2,2403.3,2413.9,2434.4,2462.4,2509.3,2529.1],"distance_difference_pct":-16.1},{"id":"tower-bridge","title":"Tower Bridge","subtitle":"A side trail with a destination of its own","deck":"Use the southern part of Fairyland, follow the documented viewing spur, and return to the trailhead north of Sunrise Point.","facts":{"distance_mi":3,"distance_km":4.8,"ascent_ft":760,"ascent_m":232,"duration":"2–3 hours","difficulty":"Moderate","source_id":"nps-tower-bridge"},"shape":"out-and-back","reversible":false,"direction":"Out to the viewpoint, then back along the same segments","source":"utah-trails","arrival_id":"sunrise-point","variants":[],"scope":"Begins at the mapped Tower Bridge trailhead north of Sunrise. Parking-to-trailhead access is not part of this route.","differences":"The named activity uses Fairyland’s southern segment plus the Tower Bridge spur. It is not the full Fairyland loop, and its return is counted explicitly.","context":"The Sunrise arrival point is a transfer destination, not the Tower Bridge trailhead or the bridge formation.","stats":{"ascent_m":256.2,"descent_m":256.2,"min_m":2180.4,"max_m":2435.6,"distance_m":5006.857,"raw_ascent_m":266.2,"ascent_50m_samples_m":254.2,"profile_interval_m":24.786,"vertices":177,"samples":203},"packet":"tower-bridge.json","stops_count":3,"map_bounds":[397226.9,4165432.5,399421.3,4166269.7],"thumbnail_profile":[2435.6,2412.7,2392.8,2373.3,2358.1,2345.8,2332.4,2316.3,2297.6,2295.3,2279.4,2257.1,2234.5,2222.8,2211.4,2200.7,2195.2,2184.5,2184.5,2195.2,2200.7,2211.4,2222.8,2234.5,2257.1,2279.4,2295.3,2297.6,2316.3,2332.4,2345.8,2358.1,2373.3,2392.8,2412.7,2435.6],"distance_difference_pct":4.3},{"id":"hat-shop","title":"Hat Shop","subtitle":"Balanced rocks below Bryce Point","deck":"Follow the opening part of Under-the-Rim to the documented Hat Shop viewpoint, then turn around. The trail beyond is a different itinerary.","facts":{"distance_mi":4,"distance_km":6.4,"ascent_ft":1380,"ascent_m":421,"duration":"3–4 hours","difficulty":"Strenuous","source_id":"nps-hat-shop"},"shape":"out-and-back","reversible":false,"direction":"Down from Bryce Point; uphill return on the same path","source":"utah-trails","arrival_id":"bryce-point","variants":[],"scope":"Under-the-Rim is clipped at the nearest line position to NPS’s Hat Shop Hoodoos Viewpoint (not at a guessed two-mile mark). No continuation toward Rainbow Point is included.","differences":"NPS’s dedicated hike page gives 1,380 ft ascent; an older Peekaboo/Hat Shop wayside describes a 1,000 ft descent. The dedicated hike total is retained without forcing the DEM profile to match.","context":"This is an out-and-back from the rim; the climb is on the way home. NPS discourages unprepared winter use.","stats":{"ascent_m":355.0,"descent_m":355.0,"min_m":2255.0,"max_m":2532.4,"distance_m":6544.582,"raw_ascent_m":415.8,"ascent_50m_samples_m":313.5,"profile_interval_m":24.979,"vertices":215,"samples":263},"packet":"hat-shop.json","stops_count":3,"map_bounds":[397730.4,4160901.6,399170.7,4162702.3],"thumbnail_profile":[2532.4,2515.8,2516.7,2521.0,2484.0,2450.0,2437.5,2405.1,2376.7,2362.2,2336.5,2307.4,2297.3,2284.4,2260.3,2258.6,2255.2,2261.6,2261.6,2255.2,2258.6,2260.3,2284.4,2297.3,2307.4,2336.5,2362.2,2376.7,2405.1,2437.5,2450.0,2484.0,2521.0,2516.7,2515.8,2532.4],"distance_difference_pct":2.3},{"id":"swamp-canyon","title":"Swamp Canyon Loop","subtitle":"A quieter, more forested landscape","deck":"Combine the Sheep Creek connector, a section of Under-the-Rim, and the Swamp Canyon connector. A short approach links the viewpoint to the loop.","facts":{"distance_mi":4,"distance_km":6.4,"ascent_ft":800,"ascent_m":244,"duration":"3–4 hours","difficulty":"Moderate","source_id":"nps-swamp-canyon-loop"},"shape":"loop-with-stem","reversible":true,"direction":"Sheep Creek connector first; return by Swamp Canyon connector","source":"utah-trails","arrival_id":"swamp-canyon","variants":[],"scope":"Mapped approach from Swamp Canyon Viewpoint, both connecting trails and the intervening Under-the-Rim segment. No straight shortcut closes the loop.","differences":"The two connectors have different names in NPS and UGRC records. Exact source IDs, direction and junction checks are retained so the loop can be audited independently.","context":"NPS describes this as more rugged, more forested and less signed than the amphitheater trails. Carry current park mapping.","stats":{"ascent_m":267.2,"descent_m":267.2,"min_m":2256.0,"max_m":2454.7,"distance_m":7140.077,"raw_ascent_m":290.6,"ascent_50m_samples_m":256.8,"profile_interval_m":24.965,"vertices":164,"samples":287},"packet":"swamp-canyon.json","stops_count":3,"map_bounds":[392575.1,4159351.7,394283.3,4161863.5],"thumbnail_profile":[2454.7,2435.8,2428.7,2426.7,2424.0,2419.2,2420.0,2415.6,2422.7,2430.8,2429.5,2399.6,2376.2,2345.4,2321.8,2303.1,2283.5,2267.6,2257.8,2270.4,2289.5,2297.6,2307.5,2314.5,2287.9,2271.8,2278.0,2291.0,2306.8,2324.2,2344.8,2366.0,2387.9,2417.9,2435.8,2454.7],"distance_difference_pct":11.6},{"id":"bristlecone-loop","title":"Bristlecone Loop","subtitle":"On the high southern plateau","deck":"A compact loop through the highest part of the park. Forest and distant views provide a different kind of Bryce experience.","facts":{"distance_mi":1,"distance_km":1.6,"ascent_ft":200,"ascent_m":61,"duration":"About 1 hour","difficulty":"Easy","source_id":"nps-bristlecone-loop-trail"},"shape":"loop","reversible":true,"direction":"Mapped loop from the forest junction southeast of Rainbow Point","source":"utah-trails","arrival_id":"rainbow-point","variants":[],"scope":"Complete mapped forest loop. The short access from the official Rainbow trailhead to this junction is absent from the selected source network and is not drawn or counted.","differences":"NPS main details give 1.0 mi / 1.6 km; its accessibility block pairs 1.0 mi with 0.8 km. This atlas retains the main details and flags the inconsistent conversion. The omitted trailhead approach partly explains the mapped total.","context":"A short trail at high elevation is not automatically an accessible or currently passable trail. Check snow and road access.","approach_gap":true,"stats":{"ascent_m":35.5,"descent_m":35.5,"min_m":2743.7,"max_m":2771.2,"distance_m":1500.598,"raw_ascent_m":41.9,"ascent_50m_samples_m":28.7,"profile_interval_m":24.6,"vertices":53,"samples":62},"packet":"bristlecone-loop.json","stops_count":3,"map_bounds":[390276.2,4147654.5,390857.3,4148379.1],"thumbnail_profile":[2770.4,2771.0,2770.7,2769.9,2767.9,2766.1,2765.5,2766.1,2767.1,2766.0,2763.4,2760.6,2758.7,2757.1,2756.4,2757.4,2758.1,2755.8,2754.5,2754.8,2752.8,2747.3,2744.0,2744.7,2746.6,2748.8,2752.0,2756.2,2758.6,2759.0,2757.1,2755.9,2755.9,2759.8,2765.7,2770.4],"distance_difference_pct":-6.2,"variant_label":"Forest loop · approach omitted"},{"id":"mossy-cave","title":"Mossy Cave","subtitle":"Follow water toward a shaded alcove","deck":"A low-elevation out-and-back study to the grotto area. Here the outward journey climbs, and the return descends.","facts":{"distance_mi":0.8,"distance_km":1.3,"ascent_ft":150,"ascent_m":46,"duration":"About 1 hour","difficulty":"Easy","source_id":"nps-mossy-cave-trail"},"shape":"out-and-back","reversible":false,"direction":"Climb toward the grotto; descend on the same path","source":"utah-trails","arrival_id":"mossy-cave","variants":[],"scope":"Grotto branch only, clipped near the NPS Mossy Cave point. Waterfall branch is separate and excluded. Neither entry into the alcove nor an off-trail connector is represented.","differences":"NPS’s published 0.8 mi / 1.3 km describes the Mossy Cave hike more broadly. This selected grotto branch excludes the waterfall detour. The NPS cave point is digitized, not a surveyed trail endpoint.","context":"Please respect signs and protect delicate rocks and plants. NPS asks visitors not to enter the cave. Current water flow is not shown.","stats":{"ascent_m":41.4,"descent_m":41.4,"min_m":2080.3,"max_m":2120.1,"distance_m":1055.494,"raw_ascent_m":54.8,"ascent_50m_samples_m":32.0,"profile_interval_m":23.988,"vertices":41,"samples":45},"packet":"mossy-cave.json","stops_count":3,"map_bounds":[401587.3,4168983.5,402174.9,4169416.5],"thumbnail_profile":[2080.3,2082.5,2085.2,2087.5,2088.2,2087.9,2087.7,2087.5,2087.8,2089.4,2091.6,2092.9,2093.9,2094.8,2095.5,2098.0,2107.0,2117.4,2117.4,2107.0,2098.0,2095.5,2094.8,2093.9,2092.9,2091.6,2089.4,2087.8,2087.5,2087.7,2087.9,2088.2,2087.5,2085.2,2082.5,2080.3],"distance_difference_pct":-18.8,"variant_label":"Grotto branch · out-and-back"},{"id":"riggs-spring","title":"Riggs Spring Loop","subtitle":"From the high rim into southern forests","deck":"A long circuit below Yovimpa and Rainbow Points, with a substantial return climb. The two sides of the loop tell different stories.","facts":{"distance_mi":8.5,"distance_km":14.2,"ascent_ft":2248,"ascent_m":685,"duration":"Not stated","difficulty":"Strenuous","source_id":"nps-riggs-spring"},"shape":"loop","reversible":true,"direction":"From the Yovimpa trail junction down the western side, returning by the eastern side","source":"utah-trails","arrival_id":"yovimpa-point","variants":[],"scope":"Mapped loop from the Yovimpa trail junction. Overlook, parking and any campsites are separate roles. No campsite locations are published in this packet.","differences":"The 2021 NPS page pairs 8.5 mi with 14.2 km (8.5 mi converts to about 13.7 km). Both printed values are preserved as published, not silently corrected. Ascent is the page’s climbing total, not just its min-to-max difference.","context":"Backcountry water and trail conditions need current NPS advice. A spring label does not guarantee water availability or potability.","stats":{"ascent_m":627.9,"descent_m":627.9,"min_m":2274.8,"max_m":2776.6,"distance_m":13325.763,"raw_ascent_m":697.1,"ascent_50m_samples_m":585.5,"profile_interval_m":24.955,"vertices":379,"samples":535},"packet":"riggs-spring.json","stops_count":3,"map_bounds":[388416.1,4145210.9,392426.2,4148638.1],"thumbnail_profile":[2774.7,2729.7,2675.3,2665.8,2631.5,2576.3,2556.1,2493.5,2434.0,2387.4,2353.2,2324.3,2301.5,2277.9,2292.9,2318.1,2350.1,2370.8,2417.8,2396.7,2417.2,2418.3,2392.1,2399.4,2420.4,2453.1,2458.7,2499.2,2535.2,2575.4,2611.2,2638.5,2678.0,2705.9,2730.7,2774.7],"distance_difference_pct":-6.2},{"id":"sunset-sunrise","title":"Sunset to Sunrise","subtitle":"Read the amphitheater from the rim","deck":"The paved section of Rim Trail joins two viewpoints. Explore a round trip or inspect the one-way leg without adding an imaginary shuttle return.","facts":{"distance_mi":1,"distance_km":1.6,"ascent_ft":40,"ascent_m":12,"duration":"20–60 minutes","difficulty":"Easy","source_id":"nps-sunset-point-to-sunrise-point-hike"},"shape":"out-and-back","reversible":false,"direction":"Sunset to Sunrise and back","source":"utah-trails","arrival_id":"sunset-point","variants":[{"id":"one-way","title":"Sunset → Sunrise only","shape":"one-way","note":"Only the outward half of the published round trip. Return travel and shuttle availability remain separate planning questions."}],"scope":"Rim junction at Sunset to the Queen’s Garden / Sunrise junction. Nearby parking and overlook spurs are not silently added.","differences":"NPS main details state 1.0 mi / 1.6 km round trip and 0.5 mi one way. Its accessibility block pairs 1.0 mi with 0.8 km. The round-trip figures here follow the main details.","context":"NPS describes this section as paved and accessible. That source description is not a current surface inspection or individual accessibility assessment.","stats":{"ascent_m":18.1,"descent_m":18.1,"min_m":2430.9,"max_m":2439.1,"distance_m":1526.915,"raw_ascent_m":20.7,"ascent_50m_samples_m":14.6,"profile_interval_m":24.628,"vertices":41,"samples":63},"packet":"sunset-sunrise.json","stops_count":3,"map_bounds":[396962.4,4164498.7,397477.0,4165328.3],"thumbnail_profile":[2439.1,2437.2,2435.9,2434.9,2434.0,2432.7,2431.4,2431.0,2431.5,2432.1,2431.7,2431.2,2431.3,2430.9,2431.1,2432.5,2435.1,2437.6,2437.6,2435.1,2432.5,2431.1,2430.9,2431.3,2431.2,2431.7,2432.1,2431.5,2431.0,2431.4,2432.7,2434.0,2434.9,2435.9,2437.2,2439.1],"distance_difference_pct":-4.6}],"sources":{"utah-trails":{"title":"Utah Trails and Pathways","publisher":"Utah Geospatial Resource Center (UGRC), WFRC","url":"https://gis.utah.gov/products/sgid/recreation/trails-pathways/","item":"3080c0a2859a4d23a279e17e17c703c8","rights":"CC BY 4.0","license":"https://creativecommons.org/licenses/by/4.0/","evidence":"utah-trails-item.json","updated":"Item modified 2026-10-01; description says 2026-08-05; product page says 2026-07-15","limits":"State compilation including licensed Orbital View data and NPS revisions. Selected records still identify OrbitalView as their source. No source survey date, intended engineering scale or positional accuracy is supplied for these segments. General overview only.","evidence_sha256":"92b5bfc5b0c34cd05a4afd3507acd4515716228dd8fe936ffd907d431fbbd576","retrieved_at":"2026-10-02T08:43:23.984065+00:00"},"nps-trails":{"title":"NPS public trail centerlines","publisher":"National Park Service","url":"https://mapservices.nps.gov/arcgis/rest/services/NationalDatasets/NPS_Public_Trails/FeatureServer/0","rights":"U.S. federal public data; retain NPS disclaimer","evidence":"nps-trails-layer.json","updated":"Selected BRCA records edited 2021; acquisition dates often unknown","limits":"Partial network in the retrieved BRCA extract. Three social/non-public-note records excluded. Source accuracy is Unknown; publication in this service does not establish current opening.","evidence_sha256":"a298432c8c519d1c38cd8aa41df705b9f08d8024119cbf21ba27b247ed87bd8d","retrieved_at":"2026-10-02T08:39:43.452923+00:00"},"nps-pois":{"title":"NPS public points of interest","publisher":"National Park Service","url":"https://mapservices.nps.gov/arcgis/rest/services/NationalDatasets/NPS_Public_POIs/FeatureServer/0","rights":"U.S. federal public data; retain NPS disclaimer","evidence":"nps-pois.geojson","updated":"Record-specific dates retained in route packets","limits":"Named viewpoints and trailheads are separate from terrain, formations and arrival points. Points may be digitized; projected route positions are identified as such.","evidence_sha256":"aa9d37dd6a6a5df9bf2b1bd9830a864eb93a496865f670913caff00cd3fbf231","retrieved_at":"2026-10-02T08:39:44.580372+00:00"},"nps-hiking-map":{"title":"NPS Bryce Canyon Hikes map configuration","publisher":"National Park Service","url":"https://www.nps.gov/maps/builder/configs/19f442bd-a721-47e7-98c8-bf7448c43e70.json","rights":"Federal public mapping configuration; no basemap assets reused","evidence":"nps-hiking-map-config.json","limits":"Identifies Navajo sides by geometry UUID: 634B3CAF is Wall Street, 7ABA9613 is Two Bridges. The generic trail alternate-name field alone does not distinguish them.","evidence_sha256":"570581447f7ce445764054b935bb5927428dc07090bbeb0010e4c2338cc6bf64","retrieved_at":"2026-10-02T08:41:03.990576+00:00"},"usgs-dem":{"title":"USGS 3DEP Bare Earth DEM Dynamic service","publisher":"U.S. Geological Survey","url":"https://elevation.nationalmap.gov/arcgis/rest/services/3DEPElevation/ImageServer","rights":"Public domain","evidence":"usgs-dem-receipt.json","updated":"Service includes data published through 2026-08-24","limits":"10 m bilinear export, NAD83 / UTM 12N; NAVD88 metres under the CONUS 3DEP convention. Mixed source resolutions and dates. Not surveyed trail tread. Profile and ascent errors can be large beside cliffs, bridges or tunnels.","evidence_sha256":"f65dc0388e00850e9d0f1ae7122ad5cad0ab42374e284c17b3604c5393f26da5","retrieved_at":"2026-10-02"},"usgs-datum":{"title":"USGS DEM datums and resolutions","publisher":"U.S. Geological Survey","url":"https://www.usgs.gov/faqs/what-projection-horizontal-datum-vertical-datum-and-resolution-a-usgs-digital-elevation-model","rights":"Public-domain federal text","evidence":"usgs-datum.html","evidence_sha256":"940196ec02519b1bcf53877e7f633657b345e44b704c56d0602a8efbb6f1adcf","retrieved_at":"2026-10-02T08:45:36.350991+00:00"},"usgs-accuracy":{"title":"USGS 3DEP vertical accuracy","publisher":"U.S. Geological Survey","url":"https://www.usgs.gov/faqs/what-vertical-accuracy-3d-elevation-program-3dep-dems","rights":"Public-domain federal text","evidence":"usgs-accuracy.html","limits":"National aggregate RMSE is not a local route-error bound. No local accuracy claim is made.","evidence_sha256":"8666f57d4bb05e53ed2b8971a521cd8f8c4b36de7896bc0db6fc290d655020f4","retrieved_at":"2026-10-02T08:45:39.333802+00:00"},"hoodoos":{"title":"Hoodoos","publisher":"National Park Service","url":"https://www.nps.gov/brca/learn/nature/hoodoos.htm","rights":"Federal text; no photographs reused","evidence":"hoodoos.html","evidence_sha256":"9be071df1564563c12926c4ca408ca44930a6cdca7f8ffe34dd041010a4793a4","retrieved_at":"2026-10-02T08:45:39.679383+00:00"},"arches":{"title":"Arches and windows","publisher":"National Park Service","url":"https://www.nps.gov/brca/learn/nature/arches.htm","rights":"Federal text; no photographs reused","evidence":"arches.html","evidence_sha256":"c76d8dd06689bf2a1c2c5929e0b96a0b06f7e1515d3224371315234300ede6f2","retrieved_at":"2026-10-02T08:45:39.621508+00:00"},"tower-trailhead":{"title":"Tower Bridge and Fairyland Loop Trailheads","publisher":"National Park Service","url":"https://www.nps.gov/places/000/tower-bridge-and-fairyland-loop-trailheads.htm","rights":"Federal text; no photographs reused","evidence":"tower-trailhead.html","evidence_sha256":"75d33a9b90df4f41f28748b2c0684fabe2dbb04cabe2165d2a77cdcc8b5cf2bc","retrieved_at":"2026-10-02T08:45:40.484310+00:00"},"hat-shop-wayside":{"title":"Peekaboo and Hat Shop wayside","publisher":"National Park Service","url":"https://www.nps.gov/places/peekaboo-and-hat-shop-wayside.htm","rights":"Federal text; no photographs reused","evidence":"hat-shop-wayside.html","limits":"Older wayside descent figure differs from the dedicated hike page; retained as conflicting evidence.","evidence_sha256":"d1c2e820533e4c4953ff3ca871ab5160c52d131223f02979d23f2a3625ac55b4","retrieved_at":"2026-10-02T09:11:06.572666+00:00"},"mossy-geology":{"title":"Mossy Cave and Water Canyon","publisher":"National Park Service","url":"https://www.nps.gov/places/000/mossy-cave.htm","rights":"Federal text; no photographs reused","evidence":"mossy-cave-geology.html","evidence_sha256":"f0277773fdc5b45ff2f871bf38ae0506326040bb9d9ea5e950d52f89aa7fd487","retrieved_at":"2026-10-02T08:45:39.431968+00:00"},"mossy-wayside":{"title":"Mossy Cave wayside","publisher":"National Park Service","url":"https://www.nps.gov/places/mossy-cave-wayside.htm","rights":"Federal text; no photographs reused","evidence":"mossy-cave-wayside.html","evidence_sha256":"86eed7273428815e2acc30885e656ea62ead0d86bae9fcbc5d56fc8ea4a5d43a","retrieved_at":"2026-10-02T08:45:39.484597+00:00"},"conditions":{"title":"Current conditions","publisher":"National Park Service","url":"https://www.nps.gov/brca/planyourvisit/conditions.htm","rights":"Federal text; linked for live checking","evidence":"conditions.html","limits":"Operational status can change after retrieval. No open/closed status is inferred from a line on this atlas.","evidence_sha256":"84c02c5f7214b50e70e569c8c1e49c84c3319150e023cf56daddbf4fd0ada2cb","retrieved_at":"2026-10-02T08:40:25.676668+00:00"},"shuttle":{"title":"Bryce Canyon shuttle","publisher":"National Park Service","url":"https://www.nps.gov/brca/planyourvisit/shuttle.htm","rights":"Federal text; linked for live checking","evidence":"shuttle.html","evidence_sha256":"b0da06073dfdb01761f2ca40239e408ae12c724c396e8a7d6fa118123e05a922","retrieved_at":"2026-10-02T08:40:25.817834+00:00"},"nps-fairyland-loop":{"title":"Fairyland Loop","publisher":"National Park Service","url":"https://www.nps.gov/thingstodo/fairyland-loop.htm","rights":"Federal text; no photographs reused","evidence":"fairyland-loop.html","updated":"2026-08-15","evidence_sha256":"f7d621fe3beaab71b9c6c3ee745815c6f3665208dd51af8123fbd02ab271a0fa","retrieved_at":"2026-10-02T08:40:27.622403+00:00"},"nps-queen-s-garden-trail":{"title":"Queen S Garden Trail","publisher":"National Park Service","url":"https://www.nps.gov/thingstodo/queen-s-garden-trail.htm","rights":"Federal text; no photographs reused","evidence":"queen-s-garden-trail.html","updated":"2026-08-15","evidence_sha256":"7f6034faa51cd2ed908eb623d5320e9c0ee73a119fcef8f58f773c6b9243d5ce","retrieved_at":"2026-10-02T08:40:27.781294+00:00"},"nps-navajo-loop-trail":{"title":"Navajo Loop Trail","publisher":"National Park Service","url":"https://www.nps.gov/thingstodo/navajo-loop-trail.htm","rights":"Federal text; no photographs reused","evidence":"navajo-loop-trail.html","updated":"2026-08-15","evidence_sha256":"c19c597efadb20a5c9cbf5f1d7c173bd9be7ba0c6121253cbee0edbe45a6734a","retrieved_at":"2026-10-02T08:40:27.857812+00:00"},"nps-peekaboo-loop":{"title":"Peekaboo Loop","publisher":"National Park Service","url":"https://www.nps.gov/thingstodo/peekaboo-loop.htm","rights":"Federal text; no photographs reused","evidence":"peekaboo-loop.html","updated":"2024-10-10","evidence_sha256":"db1f71221b4b0c943ac36b8077baf609da73968d7c5874a59f8e5baabf7ffd40","retrieved_at":"2026-10-02T08:40:27.689286+00:00"},"nps-tower-bridge":{"title":"Tower Bridge","publisher":"National Park Service","url":"https://www.nps.gov/thingstodo/tower-bridge.htm","rights":"Federal text; no photographs reused","evidence":"tower-bridge.html","updated":"2024-10-10","evidence_sha256":"1b42379cec1c92c13eec7e069598f31a3da39d85eb1e59d0e12375ebb66783cd","retrieved_at":"2026-10-02T08:40:27.929185+00:00"},"nps-hat-shop":{"title":"Hat Shop","publisher":"National Park Service","url":"https://www.nps.gov/thingstodo/hat-shop.htm","rights":"Federal text; no photographs reused","evidence":"hat-shop.html","updated":"2024-10-10","evidence_sha256":"0db63ba3e4c14ca2e812530fcf6aaa86b9fb32a1acdef9417a98e6d255f94e80","retrieved_at":"2026-10-02T08:40:28.055238+00:00"},"nps-swamp-canyon-loop":{"title":"Swamp Canyon Loop","publisher":"National Park Service","url":"https://www.nps.gov/thingstodo/swamp-canyon-loop.htm","rights":"Federal text; no photographs reused","evidence":"swamp-canyon-loop.html","updated":"2026-08-15","evidence_sha256":"d22bc66490ba927aedbc8801fb265487408d568a788a49e777c8f66efd6f0c04","retrieved_at":"2026-10-02T08:40:28.000104+00:00"},"nps-bristlecone-loop-trail":{"title":"Bristlecone Loop Trail","publisher":"National Park Service","url":"https://www.nps.gov/thingstodo/bristlecone-loop-trail.htm","rights":"Federal text; no photographs reused","evidence":"bristlecone-loop-trail.html","updated":"2024-10-10","evidence_sha256":"3063f7a61b1eedede728099cfd996a9e5da20b34a3050719d3fb6d6ac051c1a4","retrieved_at":"2026-10-02T08:40:28.127069+00:00"},"nps-mossy-cave-trail":{"title":"Mossy Cave Trail","publisher":"National Park Service","url":"https://www.nps.gov/thingstodo/mossy-cave-trail.htm","rights":"Federal text; no photographs reused","evidence":"mossy-cave-trail.html","updated":"2024-10-10","evidence_sha256":"6adb0283da0723c2b24bf85102bacd21d4d83435f8a511ca773b8a7f2bd47576","retrieved_at":"2026-10-02T08:40:28.193425+00:00"},"nps-sunset-point-to-sunrise-point-hike":{"title":"Sunset Point To Sunrise Point Hike","publisher":"National Park Service","url":"https://www.nps.gov/thingstodo/sunset-point-to-sunrise-point-hike.htm","rights":"Federal text; no photographs reused","evidence":"sunset-point-to-sunrise-point-hike.html","updated":"2026-08-15","evidence_sha256":"bc7357858b017d6ccd70ecb09079fd34f7ff7926a651712fea8aa062d8429af1","retrieved_at":"2026-10-02T08:40:28.321029+00:00"},"nps-queens-navajo":{"title":"Queen’s Garden and Navajo Combination","publisher":"National Park Service","url":"https://www.nps.gov/brca/planyourvisit/qgnavajocombo.htm","rights":"Federal text; no photographs reused","evidence":"queens-navajo.html","evidence_sha256":"fa5ba367873c5b7375455fcb71a8369a966c7028571e5c78d3a9cea934237aaf","retrieved_at":"2026-10-02T08:40:27.553955+00:00"},"nps-riggs-spring":{"title":"Riggs Spring Loop Trail","publisher":"National Park Service","url":"https://www.nps.gov/brca/planyourvisit/riggsspringloop.htm","rights":"Federal text; no photographs reused","evidence":"riggs-spring.html","updated":"2021-09-21","evidence_sha256":"4e57bed28863e1d26be309799d67a0bbbb0a30bbc450b7118ce363015dc5d0fe","retrieved_at":"2026-10-02T08:40:27.466856+00:00"}},"limits":"Dated learning atlas. No current closure, safety, accessibility or navigation guarantee. No geolocation collected.","method":{"distance":"Great-circle distance on each original source segment; mean Earth radius 6371008.8 m. Not Web Mercator length; not slope distance.","elevation":"Bilinear sample of retained 10 m 3DEP grid at <=25 m route intervals; 3-sample centered mean. Open endpoints retained; closed-loop smoothing wraps.","ascent":"Sum of positive changes in the smoothed profile over the full itinerary. The return is included exactly once. Raw and <=50 m sensitivity totals retained.","precision":"Display rounding is not accuracy. Horizontal source accuracy and local trail-height error are unknown. Cliff-side mapped offsets may produce large elevation errors.","synchronization":"Distance is the common parameter. Map/3D markers and selected segments interpolate original route vertices, not shortcuts between profile samples."}}
