Tunnel Under the Road – Oudon Keep loop from Saint-Mars-du-Désert
Tunnel Under the Road – Oudon Keep loop from Saint-Mars-du-Désert
4.6
(11)
72
riders
05:01
63.8km
830m
Mountain biking
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.
Last updated: December 25, 2025
Tips
Cycling is not permitted along parts of this route
You'll need to dismount and push your bike.
After 19.3 km for 183 m
After 40.6 km for 221 m
After 43.2 km for 302 m
Waypoints
Start point
Bus stop
Get Directions
4.53 km
Highlight (Segment) • Other
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Tip by
6.91 km
Highlight • Bridge
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Tip by
14.9 km
Highlight • River
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Tip by
19.5 km
Highlight • Castle
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Tip by
32.0 km
Highlight (Segment) • Settlement
38.2 km
Highlight (Segment) • Trail
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Tip by
50.3 km
Highlight (Segment) • Trail
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Tip by
63.8 km
End point
Bus stop
Way Types & Surfaces
Way Types
19.8 km
19.1 km
19.0 km
4.42 km
1.26 km
152 m
Surfaces
17.2 km
15.1 km
10.5 km
10.2 km
9.81 km
991 m
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Elevation
Highest point (80 m)
Lowest point (0 m)
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Weather
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Monday 2 March
18°C
4°C
0 %
Additional weather tips
Max wind speed: 13.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.