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Routes
MTB trails
United States
California
Marin County

Old Saint Hilary'S Open Space Preserve

Routes
MTB trails
United States
California
Marin County

Old Saint Hilary'S Open Space Preserve

The best MTB trails in Old Saint Hilary'S Open Space Preserve

4.7

(152)

1,812

riders

52

rides

Looking for the best mountain biking routes in Old Saint Hilary'S 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.

Last updated: November 7, 2025

5.0

(1)

13

riders

1. Angel Island loop — Angel Island State Park

15.3km

01:15

290m

290m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

16

riders

2. Marincello Trail – Sausalito Houseboats loop from Sausalito

24.1km

02:02

510m

510m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate
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5.0

(2)

17

riders

3. Crissy Field Lagoon – Presidio Promenade loop from Sausalito

49.6km

02:58

500m

500m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

8

riders

4. Sausalito Houseboats – Tennessee Valley Trail loop from Sausalito

26.1km

01:39

210m

210m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

6

riders

5. Tennessee Valley Trail – Coastal Trail loop from Sausalito

22.8km

01:46

390m

390m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate
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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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