4.8
(102)
1,488
hikers
21
hikes
Dog friendly hiking trails in Loma Alta Open Space Preserve traverse a landscape characterized by open grasslands, dense California bay woods, and oak woodlands. The preserve features canyons and creekbeds, with varied terrain offering both fire roads and singletrack options. As one of Marin County's higher peaks, Loma Alta provides panoramic views of Mount Tamalpais, the San Francisco Bay, and surrounding valleys. The extensive trail network connects to neighboring open spaces, forming part of the Bay Area Ridge Trail.
Last updated: July 8, 2026
5.0
(1)
10
hikers
14.8km
04:20
400m
390m
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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7
hikers
3.57km
01:08
130m
130m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
2
hikers
17.9km
05:21
520m
530m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
17
hikers
10.9km
02:55
120m
120m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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mostly sunny areas but with beautiful views
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Don't be fooled, 'Alpine Lake' is the name of this body of water, but the fact that it is an alpine lake is highly debatably at a lowly 768 feet. Irregardless, the views are still nice. You can look but not touch as there is no swimming or boating allowed in the lake.
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The Lagunitas Dam, completed 151 years ago, was built in less than four months and was 480 feet long with a crest of 20 feet. The purpose was to supply development in the San Rafael area. Its current capacity is 350 acre-feet or 114 million gallons. Lake Lagunitas is one of seven Marin Municipal County Reservoirs, and the combined rainfall collected from these reservoirs makes up around 75 % of the district's water supply.
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This cabin dates back to the 1890s and was originally a caretaker's home located on what was known as part of the ranch for the nearby Porteous Mansion. The cabin's construction comes from redwood logs cut from the Deer Park section of the ranch and the trim around the windows and doors from a fallen tree on the southwest side of Shaver Grade. It is an interesting piece of local history and the only structure of its kind in Marin County.
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Sorich Ranch Park is a great place to experience the natural beauty of the San Anselmo hills. There is a small parking lot and plenty of street parking nearby, with no day use/parking fee required to explore the grounds. There are picnic benches and tables with hiking trails that lead off in several directions and vary for options on whichever level of hike you choose. Several points in the Park boast stunning views and plenty of opportunities to take great photos of Mt. Tamalpais, Bald Hill and the Seminary.
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In 1967, the family of Natalie Coffin Greene donated 25 acres of Phoenix Lake land for a park in her memory. It is a very private, secluded and peaceful spot to set out on a day hike. The park also makes a great destination in and of itself. It has picnic tables, Ross Creek running through it, and restrooms. Dogs are allowed as long as they are on a leash. The tiny parking lot is usually full on summer weekends, so arriving early in the day is best.
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Phoenix Lake is open to the public for swimming and fishing. Dogs are allowed on the surrounding trails, but are not allowed to swim nor drink from the water.
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Loma Alta Open Space Preserve offers a wide selection of routes suitable for you and your dog. There are over 20 dog-friendly hiking trails, ranging from easy strolls to more challenging climbs, ensuring options for all fitness levels.
The trails cater to various abilities. You'll find 6 easy routes perfect for a relaxed walk with your dog, 14 moderate trails for a good workout, and 3 more difficult options for experienced hikers and their canine companions looking for a challenge.
The komoot community highly rates the trails in Loma Alta Open Space Preserve, with an average score of 4.9 stars. Hikers often praise the diverse landscapes, panoramic views, and the well-maintained paths that make for an enjoyable experience with their dogs.
Yes, during the winter and early spring, you might encounter the seasonal Fairfax Falls in a rocky grotto. For a route that includes a waterfall, consider the Bon Tempe Lake and Cataract Falls Loop Trail, which is a moderate option for you and your dog.
Absolutely! Loma Alta is known for its breathtaking panoramic views. From its summit and various ridge lines, you can often see Mount Tamalpais, the San Francisco Bay, and even the San Francisco skyline on clear days. Many trails, including the popular Sunrise Loop, offer expansive vistas perfect for enjoying with your dog.
Yes, there are several circular routes suitable for dog walks. An easy option is the Ridgewood Fire Road and Cemetery Fire Road Loop. For a longer, more challenging loop that includes lakes and falls, consider the Bon Tempe Lake, Alpine Lake & Laurel Dell Falls loop.
For a relaxed walk with your dog, the Ridgewood Fire Road and Cemetery Fire Road Loop is an excellent easy choice. It offers a gentle grade and a pleasant environment for a leisurely outing.
Yes, if you and your dog are up for a challenge, Loma Alta offers more demanding routes. The preserve features trails with significant elevation changes and longer distances. The Bon Tempe Lake, Alpine Lake & Laurel Dell Falls loop is a difficult option that will test your endurance.
Parking is generally available at various trailheads around Loma Alta Open Space Preserve. Popular access points like the White Hill Trailhead and the White Hill — Old Railroad Grade upper trailhead provide parking facilities, making it convenient to start your hike with your dog.
Spring is particularly beautiful, with seasonal wildflowers like California poppies and lupines blooming across the grasslands. Winter and early spring also offer the chance to see Fairfax Falls. The varied terrain means you can find pleasant conditions throughout much of the year, though summer can be warm in exposed areas.
While dogs are generally welcome on trails in Loma Alta Open Space Preserve, specific regulations regarding off-leash areas can vary. It's always best to check the latest local signage and Marin County Parks regulations to ensure compliance and a safe experience for everyone.
While direct public transport access to all trailheads within Loma Alta Open Space Preserve might be limited, some routes are more accessible than others. It's advisable to research local bus routes that serve Fairfax or nearby areas, and then plan for a short walk or ride to the nearest trailhead. For more detailed information on public transport options, you may want to consult local transit authority websites.
The nearby town of Fairfax, California, is known for its dog-friendly atmosphere. You'll find several cafes and restaurants with outdoor seating that welcome well-behaved dogs. It's always a good idea to call ahead to confirm their current pet policies before visiting.


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