Port-Jean – Ruisseau de l'Etang Hervé loop from Saint-Mars-du-Désert
Port-Jean – Ruisseau de l'Etang Hervé loop from Saint-Mars-du-Désert
3.8
(4)
16
riders
Port-Jean – Ruisseau de l'Etang Hervé loop from Saint-Mars-du-Désert
02:26
38.6km
210m
Mountain biking
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.
Last updated: August 27, 2026
Tips
Includes a segment in which cycling is not permitted
After 21.5 km for 286 m
Waypoints
Start point
Bus stop
17.1 km
Descent of the pap
Highlight • River
21.7 km
Vineyards on the Erdre
Highlight • Structure
Showing Translation
Tip by
22.0 km
Port-Jean
Highlight • Structure
Translated by Google •
Tip by
24.5 km
Ruisseau de l'Etang Hervé
Highlight • Other
A wooden footbridge allows you to cross the stream to go south.
Translated by Google •
Tip by
38.6 km
End point
Bus stop
Way Types & Surfaces
Way Types
15.5 km
9.17 km
6.96 km
4.24 km
2.38 km
339 m
Surfaces
14.4 km
11.2 km
5.94 km
5.69 km
1.26 km
< 100 m
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Highest point (70 m)
Lowest point (0 m)
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Sign up for freeWeather
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Monday 19 October
16°C
7°C
0 %
Additional weather tips
Max wind speed: 12.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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