The best MTB trails in Ring Mountain Open Space Preserve

100rides

4.7

(104)

1,468 people rode here

Looking for the best mountain biking routes in Ring Mountain Open Space Preserve? Then browse our collection of mtb rides around this beautiful natural park in Marin County below — and discover more of on your next visit.

Coastal Fire Road loop from Mill Valley	Intermediate 03:09 34.2km
Coastal Fire Road – Coastal Trail loop from Mill Valley	Intermediate 02:32 29.2km
Old Mine Trail (lower) 🌲 – Old Springs Trail loop from Mill Valley	Expert 04:46 49.6km
Fern Creek and spring loop from Mill Valley	Expert 04:04 41.9km

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Map data © OpenStreetMap contributors
1
1
Coastal Fire Road loop from Mill Valley
03:09
34.2km
10.9km/h
820m
820m
Intermediate
10
Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.
Map data © OpenStreetMap contributors
2
2
Coastal Fire Road – Coastal Trail loop from Mill Valley
02:32
29.2km
11.5km/h
680m
680m
Intermediate
6
Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Map data © OpenStreetMap contributors
3
3
Old Mine Trail (lower) 🌲 – Old Springs Trail loop from Mill Valley
04:46
49.6km
10.4km/h
1,210m
1,210m
Expert
4.9
(17)
113
Expert mountain bike ride. Very good fitness required. Suitable for all skill levels.
Map data © OpenStreetMap contributors
4
4
Fern Creek and spring loop from Mill Valley
04:04
41.9km
10.3km/h
1,050m
1,050m
Expert
4.5
(4)
73
Expert mountain bike ride. Very good fitness required. Suitable for all skill levels.