{"schemaVersion":1,"retrievedAt":"2026-10-30T16:59:18.906Z","data":{"links":{"weather":"https://peaks.fyi/api/agent/get_weather?slug=snowdon&targetId=summit&view=compact","huts":"https://peaks.fyi/api/agent/get_huts?slug=snowdon","sections":{"overview":"https://peaks.fyi/api/agent/get_peak?slug=snowdon&sections=%5B%22overview%22%5D","seasons":"https://peaks.fyi/api/agent/get_peak?slug=snowdon&sections=%5B%22seasons%22%5D","access":"https://peaks.fyi/api/agent/get_peak?slug=snowdon&sections=%5B%22access%22%5D","hazards":"https://peaks.fyi/api/agent/get_peak?slug=snowdon&sections=%5B%22hazards%22%5D","notices":"https://peaks.fyi/api/agent/get_peak?slug=snowdon&sections=%5B%22notices%22%5D","provenance":"https://peaks.fyi/api/agent/get_peak?slug=snowdon&sections=%5B%22provenance%22%5D"},"routes":[{"name":"Llanberis Path","url":"https://peaks.fyi/api/agent/get_route?slug=snowdon&routeId=llanberis-path"},{"name":"Pyg Track from Pen-y-Pass","url":"https://peaks.fyi/api/agent/get_route?slug=snowdon&routeId=pyg-track"},{"name":"Crib Goch and Crib y Ddysgl (first half of the Snowdon Horseshoe)","url":"https://peaks.fyi/api/agent/get_route?slug=snowdon&routeId=crib-goch"}]},"slug":"snowdon","name":"Snowdon","altNames":{"cy":"Yr Wyddfa","fr":"Mont Snowdon","local":"Yr Wyddfa","ru":"Сноудон"},"location":[-4.076232,53.068486],"elevation":1085,"countries":["GB"],"range":["Cambrian Mountains","Snowdonia"],"updatedAt":"2026-10-29T11:54:18Z","reviewed":false,"canonicalId":"peak:Q217142","externalIds":{"wikidata":"Q217142","osm":"node/8755297244"},"revision":"c2c644faac9b3a06","timeZone":"Europe/London","units":{"coordinates":"longitude,latitude WGS84","elevation":"m","distance":"km","duration":"hours"},"url":"https://peaks.fyi/peaks/snowdon","routes":[{"id":"llanberis-path","canonicalId":"peak:Q217142/route:llanberis-path","revision":"4fcaab8c1e6d5cf6","name":"Llanberis Path","isNormalRoute":true,"style":"hike","grade":{"sac":"T2","alternatives":[],"normalized":2},"summary":"The longest but most gradual way up Wales's highest mountain: a broad, well-made path from Llanberis village that follows the line of the Snowdon Mountain Railway past the Halfway House café and Clogwyn station to the summit ridge. About 7 km and 975 m of ascent each way; 6–7 hours return.","stats":{"distanceKm":7.16,"ascent":966,"descent":0,"timeUp":4.11,"timeDown":2.83,"highPoint":1085,"lowPoint":115},"confidence":0.9,"glacierTravel":null,"interpretation":["A glacier-free route can still have snow or ice and require winter equipment; use actual conditions, not the calendar alone.","Geometry gaps and counter-descents are not measured distances to named landmarks or evidence of technical down-climbing.","A partial-route turnaround time is not a verified return-time guarantee without descent timing and a contingency margin."],"timing":{"statsScope":"Distance, ascent and descent stats describe the ascent line only. Descent means counter-descents while going up, not the loss of height on the return trip.","descentBasis":"unknown; computed return is only a reverse-ascent estimate","documentedRoundTrip":null,"computed":{"ascentHours":4.11,"descentHours":2.83,"roundTripHours":6.94,"source":"derived geometry/DIN estimate; descent not documented"},"published":{"roundTripHours":[5.75,5.75],"source":"route.planning.publishedRoundTripHours","text":"The longest but most gradual way up Wales's highest mountain: a broad, well-made path from Llanberis village that follows the line of the Snowdon Mountain Railway past the Halfway House café and Clogwyn station to the summit ridge. About 7 km and 975 m of ascent each way; 6–7 hours return."},"preferredEstimate":null},"conflicts":[{"kind":"timing","fields":["stats.timeUp","stats.timeDown","summary"],"detail":"Computed round trip 6.94 h differs from published 5.75–5.75 h. No preferred estimate has been verified."}],"geometry":{"status":"ok","navigationSuitable":true,"warning":null,"reasons":[],"styleMismatches":[]},"url":"https://peaks.fyi/peaks/snowdon"},{"id":"pyg-track","canonicalId":"peak:Q217142/route:pyg-track","revision":"36987e1aac44ccca","name":"Pyg Track from Pen-y-Pass","isNormalRoute":false,"style":"hike","grade":{"sac":"T2","alternatives":[{"system":"sac","value":"T3","source":"rough, rocky steps and zigzags below Bwlch Glas"}],"normalized":2},"summary":"The shortest and quickest way up from the 359 m Pen-y-Pass car park: a rugged, rocky path over Bwlch y Moch and along the flank of Crib Goch above Llyn Llydaw and Glaslyn, then steep zigzags to Bwlch Glas and the summit. About 5.3 km and 725 m of ascent each way; often descended by the Miners' Track.","stats":{"distanceKm":6.81,"ascent":735,"descent":13,"timeUp":3.33,"timeDown":2.46,"highPoint":1085,"lowPoint":359},"confidence":0.85,"glacierTravel":null,"interpretation":["A glacier-free route can still have snow or ice and require winter equipment; use actual conditions, not the calendar alone.","Geometry gaps and counter-descents are not measured distances to named landmarks or evidence of technical down-climbing.","A partial-route turnaround time is not a verified return-time guarantee without descent timing and a contingency margin."],"timing":{"statsScope":"Distance, ascent and descent stats describe the ascent line only. Descent means counter-descents while going up, not the loss of height on the return trip.","descentBasis":"unknown; computed return is only a reverse-ascent estimate","documentedRoundTrip":null,"computed":{"ascentHours":3.33,"descentHours":2.46,"roundTripHours":5.79,"source":"derived geometry/DIN estimate; descent not documented"},"published":null,"preferredEstimate":null},"conflicts":[],"geometry":{"status":"ok","navigationSuitable":true,"warning":null,"reasons":["unresolved waypoints: Bwlch y Moch"],"styleMismatches":[]},"url":"https://peaks.fyi/peaks/snowdon"},{"id":"crib-goch","canonicalId":"peak:Q217142/route:crib-goch","revision":"7e76ad9561d1b143","name":"Crib Goch and Crib y Ddysgl (first half of the Snowdon Horseshoe)","isNormalRoute":false,"style":"scramble","grade":{"sac":"T5","alpine":"F","alternatives":[{"system":"other","value":"UK scrambling Grade 1","source":"Wikipedia, UK guidebooks"}],"normalized":5},"summary":"Britain's most famous knife-edge: from Bwlch y Moch on the Pyg Track a Grade 1 scramble up Crib Goch's east ridge, along the exposed crest and pinnacles to Bwlch Coch, then over Crib y Ddysgl and Garnedd Ugain (1,065 m) to the summit. Technically easy but continuously exposed; about 5 km and 865 m of ascent one way.","stats":{"distanceKm":5.12,"ascent":862,"descent":136,"timeUp":3.79,"timeDown":2.46,"highPoint":1085,"lowPoint":359,"descentLine":{"distanceKm":6.81,"ascent":13,"descent":735,"via":"Pyg Track from Pen-y-Pass"}},"confidence":0.85,"glacierTravel":null,"interpretation":["A glacier-free route can still have snow or ice and require winter equipment; use actual conditions, not the calendar alone.","Geometry gaps and counter-descents are not measured distances to named landmarks or evidence of technical down-climbing.","A partial-route turnaround time is not a verified return-time guarantee without descent timing and a contingency margin."],"timing":{"statsScope":"Distance, ascent and descent stats describe the ascent line only. Descent means counter-descents while going up, not the loss of height on the return trip.","descentBasis":"unknown; computed return is only a reverse-ascent estimate","documentedRoundTrip":null,"computed":{"ascentHours":3.79,"descentHours":2.46,"roundTripHours":6.25,"source":"derived geometry/DIN estimate; descent not documented"},"published":null,"preferredEstimate":null},"conflicts":[],"geometry":{"status":"ok","navigationSuitable":true,"warning":null,"reasons":["unresolved waypoints: Bwlch y Moch"],"styleMismatches":[]},"url":"https://peaks.fyi/peaks/snowdon"}],"limitations":["Research and source dates are not live route conditions or confirmed openings.","Hut and transport links do not provide live availability or reservations.","Historical climbing seasons are not weather forecasts."]},"sources":["https://peaks.fyi/peaks/snowdon","https://eryri.gov.wales/visit/plan-your-visit/guides/yr-wyddfa-choosing-the-right-path/","https://eryri.gov.wales/visit/snowdon/pen-y-pass-car-park/","https://www.sherparwyddfa.wales/times.shtml","https://en.wikipedia.org/wiki/Snowdon","https://en.wikipedia.org/wiki/Crib_Goch","https://snowdoninfo.com/parking-at-pen-y-pass/","https://www.camptocamp.org/routes/960119","https://www.wikidata.org/wiki/Q217142","https://www.openstreetmap.org/node/8755297244"]}