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SMART Multiuse Pathway β Pinheiro Fire Road Trailhead loop from Novato San Marin
18.6km
01:22
90m
90m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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By Fede from komoot
Β·
Updated June 2, 2026
If you've ever tried to plan gravel biking in Mount Burdell Open Space Preserve, you know how overwhelming the options can be. With so many trails crisscrossing the hills, it's hard to tell which routes are genuinely worth your time and effort, and which are just filler. That's where we come in. Our komoot community has ridden, mapped, and reviewed these trails, so we've done the legwork to bring you a curated shortlist of the best no traffic gravel bike trails that are truly worth your legs.
Mount Burdell Open Space Preserve is a gem for gravel biking, offering a fantastic mix of open grasslands, dense oak woodlands, and wide fire roads that climb to expansive views. You'll find everything from gentle, rolling paths perfect for a relaxed spin to more demanding climbs that reward you with panoramic vistas of the San Francisco Bay and surrounding peaks. While some trails can be rocky and offer little shade in summer, the varied terrain and natural beauty make it a year-round favorite, especially in the cooler months.
For a fantastic introduction to the preserve, we'd start with the SMART Multiuse Pathway β Pinheiro Fire Road Trailhead loop from Novato San Marin. This 11.6 miles (18.7 km) route is easy and connects multiuse pathways with fire roads, offering a smooth ride through varied landscapes. If you're looking for a bit more challenge and significant elevation gain, the Loma Alta Summit β 680 Trail loop from Marin, at 9.9 miles (15.9 km) with 1,615 feet (492 m) of climbing, is a rewarding option for those seeking a workout and big views. Ready to explore? We've got more than 20 gravel bikers who agree these routes are top-notch.
Trail | Distance | Elevation | Difficulty |
|---|---|---|---|
| SMART Multiuse Pathway β Pinheiro Fire Road Trailhead loop from Novato San Marin | 18.6Β km | 90Β m | Easy |
| Pinheiro Fire Road Trailhead β Bahia Trail loop from Novato Downtown | 24.3Β km | 130Β m | Easy |
| Loma Alta Summit β 680 Trail loop from Marin | 15.9Β km | 490Β m | Hard |
18.6km
01:22
90m
90m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
View route
24.3km
01:42
130m
130m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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15.9km
01:33
490m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
View route

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Loma Alta literally translates to "high hill" and is the highest point in the Loma Alta Open Space Preserve. A few different dirt roads and trails lead to the bald summit that looks over the surrounding hillsides.
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This trail runs along the edge of the Petaluma River wetlands and is a popular multi-use trail, so keep an eye out for others on the trail. The wetlands are an important area for wildlife, and are currently undergoing habitat restoration to improve conditions for native plants & animals.
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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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This trail runs along the edge of the Petaluma River wetlands and is a popular multi-use trail, so keep an eye out for others on the trail. The wetlands are an important area for wildlife, and are currently undergoing habitat restoration to improve conditions for native plants & animals.
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The downtown area of Novato stretches along Grant Avenue, with the Old town from the Train Station west to Redwood Boulevard, and more recent development a couple blocks further west.
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There is plenty of street parking at this trailhead, with the amazing Big Rock nearby to make it easy to spot. The Bay Area Ridge Trail runs along the ridgelines surrounding the San Francisco Bay area and spans over 500 miles of multi-use trails. This portion offers some of the best views of Marin and the city skyline.
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This trail can be the starting point or end to a nice hike through the preserve, connecting to the Terra Linda Trail and several other side trails. It is a great way to explore the beautiful grassland and broadleaf forest surrounding several San Rafael residential communities. The route travels through coast live oak and California bay trees, with many California poppies and wildflowers on the rolling hillsides. On a clear day, there are fantastic views of Mount Tamalpais and Big Rock Ridge, with San Pablo and San Francisco Bay in the distance.
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Komoot currently features two easy, traffic-free gravel bike routes within Mount Burdell Open Space Preserve. These routes are designed to offer a peaceful riding experience away from vehicular traffic.
Mount Burdell Open Space Preserve offers a varied landscape for gravel biking, including wide fire roads and some more challenging singletrack options. You'll encounter expansive open grasslands, dense woodlands, and classic California oaklands. Trails like the Cobblestone Fire Road, Eagle Rim Trail, and San Andreas Fire Road are popular choices, providing a mix of gently graded sections and sustained climbs.
Yes, there are beginner-friendly options. For instance, the SMART Multiuse Pathway β Pinheiro Fire Road Trailhead loop from Novato San Marin is an easy route covering approximately 18.7 km with minimal elevation gain, making it suitable for those new to gravel biking or looking for a relaxed ride. Another easy option is the Pinheiro Fire Road Trailhead β Bahia Trail loop from Novato Downtown, which is about 24.3 km long and also features gentle gradients.
The preserve is enjoyable year-round, but spring is particularly beautiful when meadows burst with wildflowers like poppies and buttercups. Seasonal streams add to the natural beauty during the rainy season. While trails are generally accessible, conditions can vary, so checking local weather is always recommended, especially after heavy rains.
Mount Burdell Open Space Preserve is rich in natural beauty and historical elements. You can enjoy panoramic views of the San Francisco Bay Area, Mount Tamalpais, and Sonoma Valley from higher points. Look out for Hidden Lake, a seasonal pond, and a four-foot stone wall hand-laid by Chinese laborers in the 1870s. Pierre Joske Grove also offers a shaded resting spot.
The preserve is home to diverse wildlife. You might spot deer, various bird species like hawks, hummingbirds, and bluebirds, and even cattle that graze seasonally. During the rainy season, frogs and salamanders are common around Hidden Lake.
Yes, both of the easy, traffic-free routes currently featured are loop trails. The SMART Multiuse Pathway β Pinheiro Fire Road Trailhead loop from Novato San Marin and the Pinheiro Fire Road Trailhead β Bahia Trail loop from Novato Downtown offer circular routes, allowing you to start and end at the same point without retracing your steps.
The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the peaceful, traffic-free nature of the trails, the diverse landscapes ranging from oak woodlands to open grasslands, and the rewarding panoramic views from higher elevations.
Trails in Mount Burdell Open Space Preserve are shared by hikers, runners, and bikers. It's important to be mindful of other users, yield to pedestrians, and control your speed, especially on descents and blind corners. Always stay on marked trails to protect the natural environment.
Mount Burdell Open Space Preserve has several access points. Common starting points for trails often have designated parking areas. For routes like the SMART Multiuse Pathway β Pinheiro Fire Road Trailhead loop, you would typically look for parking near Novato San Marin, while the Pinheiro Fire Road Trailhead β Bahia Trail loop might involve parking closer to Novato Downtown. Always check specific trailhead information for the most accurate parking details.
Novato, being a nearby town, offers various amenities including cafes, restaurants, and shops where you can refuel before or after your ride. Depending on your chosen trailhead, you might find options within a short distance, particularly if starting from areas closer to Novato Downtown or San Marin.


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