Petit Som – Grand Som loop from Chartreuse Regional Nature Park
Petit Som – Grand Som loop from Chartreuse Regional Nature Park
43
runners
Petit Som – Grand Som loop from Chartreuse Regional Nature Park
02:35
13.8km
960m
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: April 16, 2026
Tips
Includes a segment that may be dangerous
A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.
After 10.1 km for 32 m
Waypoints
Start point
Bus stop
Get Directions
4.13 km
Petit Som
Highlight • Summit
Translated by Google •
Tip by
4.52 km
Col de Léchaud
Mountain Pass
5.13 km
Bovinant Pass
Highlight • Other
Translated by Google •
Tip by
6.99 km
Grand Som
Highlight • Summit
Translated by Google •
Tip by
11.0 km
Ruchère Pass
Highlight • Mountain Pass
Tip by
13.8 km
End point
Bus stop
Way Types & Surfaces
Way Types
7.88 km
2.71 km
1.71 km
1.43 km
< 100 m
Surfaces
6.45 km
5.86 km
1.43 km
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Elevation
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Weather
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Wednesday 20 May
23°C
8°C
0 %
Additional weather tips
Max wind speed: 10.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.