San Pedro Mountain Open Space Preserve is an open space preserve in Marin County, California, characterized by its rugged, steep terrain and significant elevation changes. The preserve features a diverse landscape of forested slopes, open grasslands, and canyons with seasonal creeks, providing varied environments for outdoor activities. Its natural features include oak woodlands, bay trees, and small redwood stands, offering opportunities for several sports like hiking, road cycling, touring cycling, jogging, and more. From its elevated points, the preserve offers…
130
Routes
4.5
(150)
Average rating
3252
People visited

4.8
(11)
652
riders
65.4km
03:41
1,330m
1,330m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(6)
403
riders
80.2km
03:50
980m
980m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(3)
168
riders
79.2km
03:53
880m
880m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5.0
(4)
90
riders
37.7km
02:06
810m
810m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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4.0
(1)
12
hikers
18.3km
05:59
780m
760m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

10
hikers
5.54km
01:37
160m
130m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

5.0
(1)
6
hikers
8.70km
02:49
370m
380m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

4
hikers
9.90km
02:55
320m
210m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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39
runners
13.0km
01:32
280m
280m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

1
runners
11.2km
01:51
620m
620m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

21
runners
8.98km
01:07
120m
120m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

18
runners
8.65km
01:04
100m
100m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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1
riders
22.6km
01:32
330m
330m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

1
riders
18.5km
01:29
330m
330m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.91km
00:18
20m
20m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
29
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.7
(18)
253
riders
21.6km
01:52
360m
360m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

5.0
(23)
66
riders
32.2km
03:16
920m
920m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

3.8
(5)
45
riders
18.4km
01:57
580m
580m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

16
riders
7.79km
00:42
100m
100m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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4.0
(2)
35
riders
65.9km
04:42
1,010m
1,010m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
29
riders
45.1km
03:18
770m
770m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3.0
(1)
9
riders
38.6km
03:35
950m
940m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
18
riders
20.8km
01:30
310m
310m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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San Pedro Mountain Open Space Preserve offers a variety of outdoor activities. These include hiking, road cycling, touring cycling, jogging, mountain biking, and gravel biking. The preserve features rugged terrain with significant elevation changes.
Yes, the preserve offers options for various skill levels, including easier paths. For routes suitable for less experienced hikers, consult the Easy hikes in San Pedro Mountain Open Space Preserve guide.
The preserve is known for challenging trails with considerable elevation change. Popular routes include loops to the former Nike Missile Site, which offers panoramic views. More information on hiking options can be found in the Hiking in San Pedro Mountain Open Space Preserve guide.
Specific regulations for dogs vary by trail and area within the preserve. For information on where dogs are permitted, refer to the Dog-friendly hikes in San Pedro Mountain Open Space Preserve guide.
The preserve has trails that are suitable for families, though many routes involve significant elevation changes. To find appropriate options, explore the Family-friendly hikes in San Pedro Mountain Open Space Preserve guide.
The preserve features forested slopes with oak, bay, and madrone trees, along with small redwood stands in canyons. Open grasslands are present, and wildflowers bloom in spring. Seasonal creeks may have small waterfalls during wet winter months.
From its ridges and elevated points, the preserve offers expansive views. These include vistas of San Pablo Bay, the Marin hills, and Mount Tamalpais. A former Nike missile site also serves as a notable viewpoint.
Yes, mountain biking is a popular activity in the preserve. Trails like Perimeter Road and San Pedro Mountain Fire Road offer varied terrain and steep climbs. The Ridge Trail is also shared with cyclists.
Komoot currently lists 2 routes within San Pedro Mountain Open Space Preserve. These routes have an average rating of 4.72 stars from more than 1,500 ratings, and more than 33,000 visitors have explored the area.
Information on road cycling routes can be found in the Road Cycling Routes in San Pedro Mountain Open Space Preserve guide. The preserve also offers options for touring cycling and traffic-free bike rides.
The official website for San Pedro Mountain Open Space Preserve, managed by Marin County Parks, is marincounty.org. This site provides additional information regarding the preserve's regulations and facilities.
Yes, the preserve offers trails suitable for jogging and running. The rugged and steep terrain provides a challenging experience for runners. Consult the Running Trails in San Pedro Mountain Open Space Preserve guide for specific routes.

