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Routes
Gravel rides
United States
California
Marin County

Deer Island Open Space Preserve

Routes
Gravel rides
United States
California
Marin County

Deer Island Open Space Preserve

The best gravel rides in Deer Island Open Space Preserve

5.0

(3)

30

riders

6

rides

Experience the rugged beauty of gravel biking with our curated list of gravel rides in Deer Island Open Space Preserve. Whether you're looking for challenging climbs or scenic trails, here are some of the best gravel bike routes in Deer Island Open Space Preserve.

Last updated: October 13, 2025

5.0

(2)

6

riders

1. Hamilton Field Path – San Francisco Bay Trail loop from Canyon Green

23.1km

01:43

40m

40m

Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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Easy

2

riders

2. Old Town Novato – SMART Multiuse Pathway loop from Novato Downtown

18.1km

01:42

350m

350m

Intermediate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Intermediate
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6

riders

3. Pinheiro Fire Road Trailhead – Bahia Trail loop from Novato San Marin

12.5km

01:05

100m

100m

Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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Easy

5.0

(1)

8

riders

4. SMART Multiuse Pathway – Pinheiro Fire Road Trailhead loop from Novato San Marin

23.5km

01:58

130m

130m

Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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Easy

3

riders

5. Big Rock Ridge – Big Rock loop from Fairfax

24.7km

03:08

930m

930m

Expert gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Expert

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Most popular routes in Deer Island Open Space Preserve

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