Camino Alto Open Space Preserve is a 170-acre open space preserve nestled in the lower southeast foothills of Mount Tam in Mill Valley. The preserve features hilly fire roads and single-track paths that traverse rich bay and oak woodlands, as well as rolling grasslands. Its diverse landscape includes plant communities such as coast live oak, California bay, toyon, madrone, and scattered redwoods, providing varied terrain for outdoor pursuits. The area offers opportunities for several sports like hiking, touring cycling, jogging,…
134
Routes
4.7
(140)
Average rating
4302
People visited

4.8
(10)
645
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
(2)
128
riders
31.0km
01:52
710m
710m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

1.0
(1)
212
riders
43.4km
02:33
1,000m
1,000m
Hard road ride. Very 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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12
hikers
19.0km
05:44
550m
680m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

14
hikers
6.02km
01:48
200m
170m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

5
hikers
5.45km
01:22
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4
hikers
2.25km
00:34
10m
0m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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4.9
(19)
284
riders
42.1km
02:35
380m
390m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(3)
96
riders
47.2km
03:52
1,320m
1,320m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
62
riders
33.3km
02:37
430m
430m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
22
riders
18.4km
01:19
150m
150m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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5.0
(2)
113
runners
22.6km
03:03
1,070m
1,070m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

31
runners
14.7km
01:53
710m
710m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3
runners
6.62km
00:56
320m
320m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

85
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.8
(9)
110
riders
27.8km
02:48
760m
760m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.9
(14)
82
riders
31.4km
03:05
900m
900m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.3
(3)
68
riders
43.3km
04:17
1,120m
1,120m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

5.0
(3)
59
riders
44.3km
04:52
1,470m
1,470m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
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4.8
(6)
79
riders
47.4km
04:24
1,270m
1,270m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
53
riders
37.7km
03:08
1,000m
1,010m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
59
riders
32.9km
02:23
570m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

18
riders
20.5km
01:49
540m
540m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Camino Alto Open Space Preserve is a 170-acre preserve located in the lower southeast foothills of Mount Tam in Mill Valley. It features hilly fire roads and single-track paths that traverse rich bay and oak woodlands, as well as rolling grasslands. The preserve offers diverse terrain for various outdoor activities.
Camino Alto Open Space Preserve offers opportunities for hiking, touring cycling, jogging, road cycling, mountain biking, and gravel biking. The preserve features a network of trails and fire roads suitable for different activities and fitness levels. More than 109,000 visitors have shared their experiences on komoot.
Yes, Camino Alto Open Space Preserve has a network of trails for hiking, ranging from easy walks to more challenging routes. Popular options include the Escalon Fire Road and the Octopus Trail. For more information, explore the Hiking in Camino Alto Open Space Preserve guide.
Yes, cycling is permitted on the multi-use fire roads within Camino Alto Open Space Preserve. Routes offer varied slopes, accommodating different cycling preferences. Additional cycling opportunities are available through connections to adjacent preserves. Consult the Cycling in Camino Alto Open Space Preserve guide for details.
Camino Alto Open Space Preserve's fire roads are multi-use and suitable for mountain biking. Some routes feature moderately steep or sharply climbing grades. For specific routes and information, refer to the MTB Trails in Camino Alto Open Space Preserve guide.
Dogs are welcome on trails within Camino Alto Open Space Preserve. Off-leash allowance is permitted on fire roads if dogs are under voice control. Visitors should ensure their dogs are well-behaved and follow all preserve regulations.
The preserve features diverse plant communities, including coast live oak, California bay, toyon, madrone, coyote brush, monkeyflower, and scattered redwoods. In late spring and early summer, small rockrose plants with bright pink flowers are visible. Scenic views of Mount Tamalpais and the surrounding San Francisco Bay Area are available from various points.
Camino Alto Open Space Preserve is a popular destination on komoot, with more than 109,000 visitors. Routes in the preserve have an average rating of 4.77 out of 5 stars from over 5,000 ratings. This indicates a high level of satisfaction among users.
Komoot offers several guides for Camino Alto Open Space Preserve, including Hiking in Camino Alto Open Space Preserve, Cycling in Camino Alto Open Space Preserve, and MTB Trails in Camino Alto Open Space Preserve. Other guides cover running, easy hikes, and traffic-free bike rides.
Easy hikes are available within Camino Alto Open Space Preserve, offering less strenuous options for visitors. The Escalon Fire Road is an example of a multi-use path suitable for easier walks. For specific routes, consult the Easy hikes in Camino Alto Open Space Preserve guide.
Camino Alto Open Space Preserve offers trails suitable for jogging and running. The network of fire roads and single-track paths provides varied terrain for runners. Detailed information can be found in the Running Trails in Camino Alto Open Space Preserve guide.
Camino Alto Open Space Preserve is managed by Marin County Parks. The official website for Marin County Parks is marincounty.gov/depts/pk. This site provides general information about parks and open spaces in the county.
For general inquiries or disability accommodation requests related to Marin County Parks, which manages Camino Alto Open Space Preserve, the phone number is +1-415-473-6387. This contact can provide assistance with various park-related questions.

