Les Plans Loop Hike
Hiking · Created 10 May 2026 · Les Plans, Chamonix-Mont-Blanc, Upper Savoy
Les Plans Loop Hike is a 12.9 km hike loop from Les Plans near Chamonix-Mont-Blanc, with 1144m of climbing and an effort score of 24.
Terrain & runnability
63% runnableThis loop packs 89m of climb per kilometre, which makes it a climbing-heavy mountain profile. 63% of measured grade stays in runnable terrain. The hardest kilometre is around km 5, gaining about 245m. Total route distance is 12.9 km.
Snow & conditions
Snow check recommendedThis route reaches 2154m, so shoulder-season snow can linger. Open the planner snow view before committing to the line.
Route sections
Moderate effort, estimated around 3h 21m moving time using a trail run model: 7:00 min/km flat pace plus about 1h 35m for 1144m of climbing. Expect 19% steep-grade exposure; pace and fueling should be closer to mountain running than flat-road distance math.
Fuel & gear
Plan roughly 18 small fuel units, then adjust for weather, aid, and personal effort.
Surface
30% of the sampled route has explicit surface tags (23% trail, 7% gravel). The remaining 70% follows mapped ways where OSM has no surface tag, so treat it as unverified rather than off-route.
Elevation Profile
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