{"ranges":[{"title":"Alps","canonical":"alps","link":"/range/alps.html"},{"title":"Dauphiné Alps","canonical":"dauphine-alps","link":"/range/dauphine-alps.html"},{"title":"Grandes Rousses massif","canonical":"grandes-rousses-massif","link":"/range/grandes-rousses-massif.html"}],"parks":[],"districts":[{"country":{"code":"fr","name":"France"},"regions":[{"level":2,"id":"france","name":"France","link":"/adm/france.html"},{"level":4,"id":"auvergne-rhone-alpes","name":"Auvergne-Rhône-Alpes","link":"/adm/auvergne-rhone-alpes.html"},{"level":6,"id":"savoie","name":"Savoy","link":"/adm/savoie.html"}]}],"countries":[{"code":"FR","name":"France","link":"/adm/france.html"}],"routes":[],"gettingHere":[],"tags":{"osm_version":"4","ele":"2521","name":"Le Grand Perron","natural":"peak","wikidata":"Q133138183"},"skitours":[],"id":3918674653,"data":{"_id":"3918674653","elevation":[],"prominence":[],"hut":{"id":"1000000726966752","name":"Refuge de l'Étendard","tags":{"beds":"70","building":"yes","ele":"2430","name":"Refuge de l'Étendard","operator":"Club Alpin Français","phone":"+33 4 79 59 74 96","tourism":"alpine_hut","website":"http://refugedeletendard.ffcam.fr/","area":351.59965912003844},"location":{"type":"Point","coordinates":[6.1753621078125,45.2038366140625]}}},"canonicalUrl":"le-grand-perron","type":1,"description":"Le Grand Perron (2&thinsp;521m/8&thinsp;271ft a.s.l.) is a mountain in the <a class=\"link\" href=\"/range/grandes-rousses-massif.html\">Grandes Rousses massif</a> in <a class=\"link\" href=\"/adm/france.html\">France</a>. The prominence is 73m/240ft.<div id=\"mountain-metrics-description\">The nearest mountain hut is Refuge de l'Étendard located 1&thinsp;907m/6&thinsp;258ft SW of the summit.</div>","images":[],"name":"Le Grand Perron","distance":null,"prominence":"73","eprom":{"parent":{"name":"Pic Bayle","location":{"coordinates":[6.135666,45.137793]},"elevation":"3465","prominence":"1175","canonicalUrl":"pic-bayle"},"parDist":9813.591375992335,"nhn":{"name":"Le Barrio","location":{"coordinates":[6.189048,45.21252]},"elevation":"2537","prominence":"49","canonicalUrl":"le-barrioz"},"nhnDist":501.5279176223967,"keycol":{"lat":45.214444,"lng":6.189444,"dist":295.5718754299547,"name":null},"isolation":501.5279176223967,"ilp":{"lat":45.21252,"lng":6.189048},"proportionalProminence":"171"},"categories":null,"alt":2521,"lat":45.216702,"lng":6.191427,"formattedCoordinates":"45°13′0″N 6°11′29″E"}