5.0
(3)
34
riders
3
rides
Gravel biking in Deer Island Open Space Preserve offers routes through a landscape characterized by diverse woodlands, grasslands, and seasonal wetlands. While the immediate preserve trails are primarily for hiking, the surrounding Novato area provides wider fire roads and unpaved segments suitable for gravel cycling. The region features mixed oak woodlands, California bay woods, and open grasslands, with some routes offering views of wetlands and Mount Burdell. These routes provide opportunities to explore the natural environment on varied terrain.
Last updated: July 10, 2026
5.0
(2)
11
riders
24.3km
01:42
130m
130m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
9
riders
This Novato San Marin gravel biking route offers a delightful blend of smooth, paved multi-use paths and natural fire roads, making it an excellent choice for a varied ride. You'll start on the tree-lined SMART Multiuse Pathway, enjoying a comfortable surface before transitioning to the Pinheiro Fire Road. Here, the landscape opens up to scenic marsh and oak views within the Rush Creek Open Space, providing a more natural, open-space feel.
This easy 11.6-mile (18.7 km) loop, with a gentle 302 feet (92 metres) of elevation gain, is suitable for all skill levels and can typically be completed in about 1 hour and 22 minutes. It's a family-friendly option, and dogs are permitted on the Pinheiro Fire Road section. While generally accessible year-round, be aware that the unpaved sections of Pinheiro Fire Road can be bumpy or wet after rain.
The SMART Multiuse Pathway is part of a larger planned 70-mile trail system, connecting communities and offering both recreational and commuting options. The Pinheiro Fire Road, a popular multi-use trail, attracts not only gravel bikers but also horseback riders and hikers, highlighting its appeal as a diverse outdoor space in Marin County.

Sign up for free
2
riders
26.5km
03:01
1,000m
1,000m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
19.3km
01:49
570m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Popular around Deer Island Open Space Preserve
The Dixie Schoohouse dates back to 1864, it has been in continuous use since its construction, making it the oldest in Marin County. It was listed on the National Register of Historic Places in 1972.
1
0
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.
0
0
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.
0
0
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.
0
0
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.
0
0
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.
0
0
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.
0
0
While the immediate Deer Island Open Space Preserve trails are primarily for hiking, the broader Novato area offers several excellent no-traffic gravel biking routes. Our guide features 5 such routes, ranging from easy to difficult, allowing you to explore the diverse landscapes around the preserve.
Spring and fall are generally the best times for gravel biking in this region. Spring brings wildflowers and lush greenery, while fall offers cooler temperatures and pleasant riding conditions. Summers can be warm, and some areas might experience seasonal wetlands in winter, though riding is often possible year-round.
The terrain varies, often featuring wider fire roads and unpaved sections that are suitable for gravel bikes. You can expect a mix of landscapes, including mixed oak woodlands, open grasslands, and views of seasonal wetlands. Some routes offer sweeping vistas, particularly from higher elevations like those found on the 680 Trail – Big Rock Ridge loop from Marinwood.
Yes, there are options suitable for families looking for easier rides. The Pinheiro Fire Road Trailhead – Bahia Trail loop from Novato Downtown is classified as easy, covering about 24 km with minimal elevation gain, making it a good choice for a relaxed family outing on gravel.
Deer Island Open Space Preserve itself has specific dog policies, generally requiring dogs to be on leash. For gravel biking routes in the surrounding area, policies can vary by specific trail or park. It's always best to check the local regulations for each route you plan to ride to ensure it's dog-friendly and to understand leash requirements.
The region is rich in wildlife. You might spot deer, coyotes, and various birds of prey like red-shouldered hawks and white-tailed kites. Near wetlands, look out for waterfowl such as northern pintail and Canada geese. The diverse habitats of oak woodlands and grasslands support a wide array of species.
Absolutely. For experienced riders seeking a challenge, routes like the 680 Trail – Big Rock Ridge loop from Marinwood offer significant elevation gain over its 26 km distance, providing a demanding and rewarding gravel biking experience. Another challenging option is the Loma Alta Summit – 680 Trail loop from Sleepy Hollow.
Parking availability varies depending on the specific trailhead. Many routes start from towns like Novato Downtown, Marinwood, or Sleepy Hollow, where public parking options may be available. Always check the starting point of your chosen route for the most convenient parking information.
Yes, many of the routes in this guide are designed as loops, offering a continuous journey without retracing your steps. For example, the San Francisco Bay Trail – Historic Dixie Schoolhouse loop from Las Gallinas provides a scenic circular ride through varied landscapes.
The komoot community rates the routes in this area highly, with an average score of 5.0 stars. Reviewers often praise the tranquility of the no-traffic sections, the diverse natural scenery, and the rewarding views from higher points. The mix of challenging climbs and scenic descents is also frequently highlighted.
Yes, since many routes start or pass near towns like Novato, Marinwood, or Las Gallinas, you'll find various options for cafes, restaurants, and pubs to refuel and relax after your ride. These towns offer a range of amenities for visitors.
Public transport options to reach specific trailheads can be limited in some more remote areas. However, for routes starting from more populated areas like Novato Downtown, there may be local bus services that can get you closer to the starting points. It's advisable to check local transit schedules and routes in advance.


Browse the best Gravel rides in other regions.