Saint-Gervais-les-Bains – Bionnay bit of UTMB loop from Ascenseur des Thermes
Saint-Gervais-les-Bains – Bionnay bit of UTMB loop from Ascenseur des Thermes
106
runners
Saint-Gervais-les-Bains – Bionnay bit of UTMB loop from Ascenseur des Thermes
01:58
12.9km
620m
Running
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is accessible with public transport.
Last updated: March 4, 2026
Waypoints
Start point
Train Station
Get Directions
1.30 km
Pont du Diable and View of Bonnant Waterfall
Highlight • Bridge
Translated by Google •
Tip by
1.36 km
Saint-Gervais-les-Bains
Highlight • Settlement
Translated by Google •
Tip by
1.43 km
Bionnay bit of UTMB
Highlight (Segment) • Other
Tip by
12.9 km
End point
Train Station
Way Types & Surfaces
Way Types
4.20 km
3.87 km
2.69 km
1.41 km
498 m
198 m
Surfaces
4.58 km
2.47 km
2.28 km
1.45 km
1.35 km
646 m
< 100 m
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Elevation
Highest point (1,280 m)
Lowest point (740 m)
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Weather
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Today
Tuesday 26 May
29°C
17°C
0 %
Additional weather tips
Max wind speed: 8.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.