Demptézieu Castle – Étang de la Rosière loop from Bourgoin-Jallieu
Demptézieu Castle – Étang de la Rosière loop from Bourgoin-Jallieu
4.7
(18)
83
riders
Demptézieu Castle – Étang de la Rosière loop from Bourgoin-Jallieu
04:11
48.8km
920m
Mountain biking
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.
Last updated: October 7, 2026
Tips
Cycling is not permitted along parts of this route
After 0 m for 288 m
After 48.6 km for 288 m
Waypoints
Start point
Train Station
9.30 km
Côte de Demptézieu
Highlight (Segment) • Climb
11.1 km
Demptézieu Castle
Highlight • Castle
Translated by Google •
Tip by
11.7 km
Verclos descent
Highlight • Other
Translated by Google •
Tip by
31.9 km
Ruisseau de l'Enfer
Lake
43.7 km
Technical Section in the Forest
Highlight • Trail
44.6 km
Rosière Pond Bikepark
Highlight • Other
Translated by Google •
Tip by
45.1 km
Étang de la Rosière
Highlight • Lake
Translated by Google •
Tip by
48.8 km
End point
Train Station
Way Types & Surfaces
Way Types
22.8 km
16.2 km
3.46 km
3.15 km
1.67 km
1.28 km
141 m
Surfaces
15.4 km
13.2 km
9.99 km
5.85 km
4.23 km
151 m
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Sign up for freeElevation
Highest point (470 m)
Lowest point (230 m)
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Sign up for freeWeather
Powered by Foreca
Thursday 8 October
16°C
9°C
0 %
Additional weather tips
Max wind speed: 17.0 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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