The best MTB trails around Grolley
4.5
(670)
4,597
riders
219
rides
Last updated: October 20, 2025
4.7
(40)
241
riders
1. Montagny Castle Ruins – En Berléy Singletrack loop from Belfaux CFF
45.1km
03:57
820m
820m
Expert mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.8
(17)
111
riders
2. La Faye Trail – Bois de la Faye Parking loop from Léchelles
45.7km
04:08
940m
940m
Expert mountain bike ride. Very good fitness required. Advanced riding skills necessary.
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4.3
(7)
40
riders
3. Helsana Trail – Helsana Trail loop from Belfaux CFF
18.5km
01:35
350m
350m
Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.4
(38)
150
riders
4. Le Gretzon Forest Singletrack – Shaded Singletrack loop from Grolley
32.2km
03:03
600m
600m
Expert mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.5
(2)
23
riders
5. Grandfey Viaduct – Grandfey Viaduct loop from Belfaux CFF
37.9km
02:55
680m
680m
Expert mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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