3.5
(2)
122
runners
22
runs
Jogging in Roy'S Redwoods Open Space Preserve offers diverse landscapes, including old-growth redwood groves, grasslands, and oak woodlands. The preserve features a network of trails that wind through towering ancient trees and open areas. Some routes ascend to provide panoramic views of the Bay Area and surrounding rolling hills. Larsen Creek also flows through the preserve, contributing to its varied ecosystem.
Last updated: July 7, 2026
4
runners
9.00km
01:04
170m
170m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
11
runners
11.9km
01:38
400m
400m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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15.2km
02:08
660m
660m
Hard run. Very good fitness required. Mostly accessible paths. Some sure footedness required.
23
runners
27.7km
03:42
1,050m
1,050m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
17.6km
02:27
660m
660m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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This broad, flat fire road climbs gradually with magnificent views of the San Francisco Bay, Mount Tamalpais and Mount Diablo in the distance. The surrounding ridges of the path and many wildflowers along the way offer multiple photo opportunities along the way. The loop at the top is an excellent place to take a break and enjoy the beautiful views.
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Embark on an adrenaline-fueled mountain biking adventure through Big Rock. The trail reaches its peak at the towering landmark, a colossal rock that adds a unique touch to the experience. Exercise caution on the descent; the pavement can get slippery, adding an exhilarating challenge to this thrilling ride.
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Big Rock Ridge, a striking ridge near Novato, California, standing as Marin County's second-tallest peak. Spanning 5 miles from northwest to east, it creates a natural boundary for central and southern Marin County. Named after the rock at the base of Big Rock Trail, this ridge promises awe-inspiring views and invigorating trails.
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Upper Peters Dam Road is a well shaded path that partially navigates along Kent Lake shore. On the way out you can see the large dam looming overhead.
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From the high ridge sweeping views open up to both sides, most still densely forested and often covered in morning mist that helps this forest survive despite the long periods without rain.
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Along the trail you'll find redwoods, grasslands, and a nice viewpoint. This trail is pretty heavily trafficked and there is a lot of poison oak in the area.
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This broad, flat fire road climbs gradually with magnificent views of the San Francisco Bay, Mount Tamalpais and Mount Diablo in the distance. The surrounding ridges of the path and many wildflowers along the way offer multiple photo opportunities along the way. The loop at the top is an excellent place to take a break and enjoy the beautiful views
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Big Rock Trail cuts through Lucas Valley Open Space to reach the 2nd highest point in Marin County. From later winter through early summer the hills are verdant green and often covered in wildflowers. Bring plenty of water and a wide brimmed hat if it's a warm day as there is little shade, but this means the views are wide open and beautiful.
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Roy's Redwoods Open Space Preserve offers a diverse network of nearly 20 running routes. These trails cater to various preferences, ranging from moderate loops through ancient redwood groves to more challenging paths with significant elevation changes.
The preserve features a variety of terrains, including old-growth redwood groves, grasslands, mixed forests, and oak woodlands. You'll find trails ranging from moderate, like the Roy's Redwoods and French Ranch Loop, to difficult routes with considerable elevation gain, such as the Big Rock Ridge Trail, which offers expansive Bay Area views.
Yes, the preserve offers trails suitable for families. The Roy's Redwoods Loop Trail, for instance, is a popular route that provides an immersive experience through ancient redwood groves on mostly accessible paths, making it a good choice for a family outing.
Roy's Redwoods Open Space Preserve is generally dog-friendly, but it's always best to check specific trail regulations regarding leash requirements and any restricted areas before you go. Many trails allow dogs, making it a great place to run with your canine companion.
Absolutely! Many trails offer stunning views. Some routes ascend to provide panoramic views of the Bay Area and surrounding rolling hills, including glimpses of Kent Lake. You'll also run through majestic old-growth redwood groves and along Larsen Creek. Don't miss the Roy's Redwoods Open Space Preserve and French Ranch Open Space Preserve area for its natural beauty.
Yes, many of the running paths in Roy's Redwoods are designed as loops, allowing you to start and end at the same point. A popular option is the Roy's Redwoods and French Ranch Loop, which takes you through diverse landscapes.
For a more challenging experience, consider the Loma Alta and Bay Area Ridge Trail Loop. This difficult 9.4-mile (15.2 km) trail features substantial elevation changes and varied terrain, offering a rigorous workout with rewarding views.
The redwood forests provide a cool and calm oasis, making them comfortable for jogging even on warmer days. Spring brings vibrant wildflowers to the forest floor. While pleasant year-round, the cooler months or early mornings/late afternoons in summer can be particularly enjoyable.
Parking information for Roy's Redwoods Open Space Preserve is typically available at the main entrances or trailheads. It's advisable to check local signage upon arrival, as specific parking areas may vary or have limited capacity, especially on busy days.
While public transport options to the immediate vicinity of Roy's Redwoods Open Space Preserve might be limited, it's best to consult local transit authority websites for the most current routes and schedules to nearby towns or access points. A car is often the most convenient way to reach the preserve.
The area is highly rated by the komoot community, with an average score of 3.7 stars from 4 reviews. Runners often praise the majestic old-growth redwood forests, the varied terrain encompassing grasslands and mixed woodlands, and the serene atmosphere that offers a quieter experience compared to other redwood parks.
Yes, the preserve connects to adjacent areas, allowing for extended runs. For example, the San Geronimo Ridge and Kent Lake Loop is a challenging 17.6 km route that takes you through varied landscapes, linking different parts of the open space system.


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