4.2
(13)
54
riders
Mountainbike loop from Lumbin
02:44
27.8km
800m
Mountain biking
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is accessible with public transport.
Last updated: August 20, 2026
Tips
Includes segments that may be dangerous
Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.
After 4.52 km for 333 m
After 20.6 km for 105 m
After 20.8 km for 77 m
Waypoints
Start point
Bus stop
Get Directions
1.96 km
Funiculaire de Saint-Hilaire-du-Touvet
Highlight • Monument
7.53 km
Viewpoint
Viewpoint
8.61 km
Beau single entre Bernin et Crolles
Highlight • Other
Translated by Google •
Tip by
16.3 km
Third Technical Descent Section (Parc naturel régional de Chartreuse)
Highlight (Segment) • Trail
Translated by Google •
Tip by
19.8 km
Nice single above Bernin
Highlight • Trail
Translated by Google •
Tip by
20.0 km
Pierre Champs Bertin Climbing Site
Highlight • Climb
Translated by Google •
Tip by
27.8 km
End point
Bus stop
Way Types & Surfaces
Way Types
12.0 km
4.92 km
3.75 km
3.02 km
2.69 km
1.43 km
Surfaces
11.8 km
10.7 km
4.66 km
324 m
215 m
< 100 m
< 100 m
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Elevation
Highest point (660 m)
Lowest point (230 m)
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Weather
Powered by Foreca
Today
Saturday 29 August
30°C
14°C
16 %
Additional weather tips
Max wind speed: 6.0 km/h
to get more detailed weather forecasts along your route
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Comments
After the 2 km swim this morning, then the sauna and steam room, and especially after barely a 4-hour night, the return trip was exhausting! 🥵
Not to mention two attempts at dotted sections I didn't know, where I carried the bike like …
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