4.8
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8,704
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345
hikes
Hikes in Blithedale Summit Open Space Preserve explore a network of trails on the northern flank of Mount Tamalpais in southern Marin County. The preserve features a varied landscape of fire roads and single-track paths that pass through redwood and Douglas-fir forests, open grasslands, and dense chaparral. The terrain includes both gentle, wide paths like the historic Old Railroad Grade and more moderate climbs to viewpoints. The preserve also connects to the larger trail systems of the surrounding protected lands.
…Last updated: April 26, 2026
14
hikers
6.02km
01:48
200m
170m
Embark on the easy Blithdale Loop, a 3.7-mile (6.0 km) hike that offers a diverse landscape experience. You will gain 656 feet (200 metres) in elevation over approximately 1 hour…
1.09km
00:27
90m
90m
Hike the easy Barbara Springs Trail in Larkspur, CA, a 0.7-mile route with 302 feet of gain through lush redwood forests.

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3.03km
00:51
10m
160m
Hike the easy 1.9-mile Old Railroad Grade Fire Road in Mount Tamalpais Watershed, gaining 29 feet over 51 minutes.
2.27km
00:47
170m
0m
Embark on the Dawn Falls Trail, an easy 1.4 miles (2.3 km) hike that takes you through a lush redwood wonderland. You will find yourself surrounded by towering trees and…
5.0
(3)
59
hikers
8.40km
02:28
220m
220m
Embark on the Dawn Falls and King Mountain Loop, a moderate hike that takes you through diverse landscapes in Marin County. You will cover 5.2 miles (8.4 km) and gain…
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Popular around Blithedale Summit Open Space Preserve
Steep in the first part but easy to do in dry weather
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A beautiful path, but difficult to park your car because there are just three parking spots, and you can't really turn around to look further. If you find one, take a spot; after all, you're here to walk.
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Sweeping views south and east, all the way to SF, and Mt Tam right above behind you to the north. The bench is dedicated to the family who built their house in front of you 60 years ago.
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The wood bridge across the creek marks the beginning of the Old Railroad Grade, today a wide fireroad
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Very pleasant redwood forest trail along Larkspur Creek. It climbs gently from the dead end of Madrone Avenue to the small falls near the source of the creek.
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At the end of paved residential Piedmont Road, this trail continues along Larkspur Creek up towards Dawn Falls Trail into Baltimore Canyon Open Space Preserve.
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Ladybug Trail climbs from Dawn Falls Trail to about midway up King Mountain and then follows the contours to the east
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Very small waterfall near the beginning of little Lakspur Creek
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There are several trailheads providing access to the preserve. A popular starting point is the Blithedale Summit Trailhead located at 535 W Blithedale Ave in Mill Valley. Another option is the trailhead at 330 Evergreen Dr in Kentfield, which offers access to the northern parts of the preserve. Street parking is available but can be limited, especially on weekends, so arriving early is recommended.
Yes, dogs are generally welcome in the Blithedale Summit Open Space Preserve. They must be on a leash on all fire roads and trails. Always be sure to bring water for your dog and clean up after them to help keep the preserve beautiful for everyone.
Absolutely. The preserve offers many gentler options suitable for families. The historic Old Railroad Grade is a wide, gently sloped fire road that was once part of a scenic railway, making it a relatively easy and relaxing climb. Many of the fire roads provide a straightforward hiking experience through the preserve's beautiful forests.
The trails are a mix of wide, well-maintained fire roads and narrower single-track paths. The fire roads, like the Old Railroad Grade, are generally smooth and suitable for most hikers. Single-track trails can be more rugged with rocks and roots. After rain, some canyon trails can become muddy, so appropriate footwear is advised.
Yes, the preserve is well-suited for loop hikes. One excellent option is the Dawn Falls Trail via Piedmont Trail loop. This 5.2-mile (8.4 km) route takes you through beautiful redwood groves and shaded canyons, offering a varied and scenic circular journey.
Spring is the best time for wildflowers, when the canyons and grasslands come alive with color. For waterfalls, such as the seasonal Dawn Falls, the best time to visit is during or shortly after the rainy season in winter and early spring, when the creeks are flowing.
Blithedale Summit serves as a fantastic gateway to the larger Mount Tamalpais area. Its trails are generally less crowded and offer a more intimate experience through redwood forests and chaparral. While Mount Tamalpais has higher peaks and more expansive, exposed terrain, Blithedale provides a rich network of shaded canyons and historic fire roads on the mountain's northern flank.
Yes, Blithedale Summit is very popular with trail runners. The network of fire roads, such as the Southern Marin Line Road Trail, provides wide paths with steady gradients perfect for running. The single-track trails offer a more technical challenge for experienced runners.
The scenery is incredibly diverse. You'll hike through deep, shaded forests of redwood and Douglas-fir, open grasslands, and dense chaparral. As you gain elevation, you'll be rewarded with panoramic views of the Marin Headlands, San Francisco Bay, and the surrounding hills. Landmarks like Echo Rock are known for their excellent vistas.
There are over 290 different routes mapped on komoot within and connected to the Blithedale Summit Open Space Preserve. This extensive network includes everything from easy fire roads to challenging single-track paths, connecting to the larger trail systems of Mount Tamalpais State Park and the Marin Municipal Water District.
The area is highly regarded by the komoot community, with an average rating of 4.8 stars. Hikers frequently praise the beautiful redwood groves, the variety of trails for all fitness levels, and the peaceful atmosphere of the shaded canyons.


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