1.
Cross-Marin Trailhead – Cross Marin Trail loop from Samuel P. Taylor State Park
11.6km
00:44
90m
90m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
View route
By Fede from komoot
·
Updated May 30, 2026
If you've ever tried to plan touring cycling in French Ranch Open Space Preserve, you know how quickly the sheer number of routes can feel overwhelming. It's tough to tell which ones are truly worth your time and effort from the endless options. We get it; sifting through countless trails to find the real highlights can be a pain.
That's where komoot comes in. Our community has meticulously mapped, ridden, and reviewed these routes, so we've done the legwork to bring you a curated shortlist of the very best. Consider this your shortcut to an amazing ride, without the guesswork, saving your legs for the trails that truly deliver.
French Ranch Open Space Preserve is a fantastic spot for touring cyclists, defined by its deep, forested canyons, ridge-top views, and a network of multi-use fire roads. You'll find everything from easy riverside paths to more challenging climbs, with surfaces suitable for gravel and cyclocross bikes. The preserve truly comes alive in springtime when the landscape is vibrant with color, offering an especially beautiful backdrop for outdoor activities.
If you only do one ride, we'd start with the Cross-Marin Trailhead – Cross Marin Trail loop from Lagunitas Creek. At 7.6 miles (12.2 km), it's an easy, gentle ride through the scenic Lagunitas Creek watershed, perfect for a relaxed outing. For something a bit more challenging, the Bill's Trail loop from Samuel P. Taylor State Park is a moderate 6.1 miles (9.7 km) path that features significant elevation gain through varied forest landscapes, offering a rewarding workout. With more than 900 touring cyclists having explored these routes with komoot, you're in good company.
Trail | Distance | Elevation | Difficulty |
|---|---|---|---|
| Cross-Marin Trailhead – Cross Marin Trail loop from Samuel P. Taylor State Park | 11.6 km | 90 m | Easy |
| Nicasio Reservoir – Point Reyes Station loop from Nicasio | 36.7 km | 290 m | Moderate |
| Bill's Trail loop from Samuel P. Taylor State Park | 9.74 km | 320 m | Moderate |
| Randall Trail loop from Randall Trailhead | 7.08 km | 320 m | Moderate |
| Cross-Marin Trail Bridge – Marie Dhority Bridge loop from Lagunitas Creek | 19.7 km | 250 m | Moderate |
| Fairfax Falls 🌊 – Fairfax loop from Sleepy Hollow | 30.4 km | 860 m | Hard |
| White Hill and Blue Ridge Fire Roads Loop | 14.5 km | 450 m | Moderate |
| Lake Lagunitas Dam – Alpine Lake - Bon Tempe Dam loop from Fairfax | 47.4 km | 1,410 m | Hard |
| Fairfax – Twin Knolls loop from Fairfax | 41.3 km | 940 m | Hard |
| Phoenix Lake – San Anselmo-Fairfax Bikeway loop from Fairfax | 13.8 km | 170 m | Moderate |
Sign up to see all 10 routes
Sign up for free
11.6km
00:44
90m
90m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
View route
36.7km
02:14
290m
290m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
View route
9.74km
01:06
320m
320m
The Bill's Trail loop offers a dynamic touring bicycle experience through Samuel P. Taylor State Park, transitioning from tranquil redwood groves to open, oak-studded grasslands. You'll follow Lagunitas Creek for stretches, enjoying the shade of towering trees, before climbing to viewpoints that reveal sweeping vistas of Marin County, Tomales Bay, and Mount Tamalpais. The trail itself is known for its smooth, flowy singletrack and consistent switchbacks, making for an engaging ride.
This moderate 6.1-mile (9.7 km) cycling loop involves a substantial 1059 feet (323 metres) of elevation gain, typically taking about 1 hour and 6 minutes to complete. It's best suited for experienced cyclists with good fitness. Remember that Bill's Trail is seasonal, usually closing from November through April due to rain, so always verify current conditions before you go.
Beyond the scenic beauty, Bill's Trail carries a unique history; it was originally built in 1989, then closed to bikes for decades, only to be triumphantly reopened to cyclists in April 2020 after extensive advocacy. This makes it one of the few bike-legal singletrack trails in Marin County with such a storied past, named after park employees Bill Lintow and Bill Taylor.
View route

Sign up for free
7.08km
00:53
320m
320m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
View route
19.7km
01:29
250m
250m
This touring cycling route along the Cross-Marin Trail offers a delightful journey through varied woodlands, including groves of second-growth redwoods and oak-covered hillsides, all while paralleling the scenic Lagunitas Creek. You'll cross the impressive Cross Marin Trail Bridge and the charming Marie Dhority Bridge, enjoying the gentle terrain that follows an old railroad bed. The scenery is consistently picturesque, with plenty of shade and opportunities to spot wildlife in the creek.
Planning your ride is straightforward, as this is a moderate 12.2-mile (19.7 km) loop with a manageable 820 feet (250 metres) of elevation gain, typically taking about 1 hour and 29 minutes. The trail surface is a mix of paved and hard-packed gravel, so a touring bike with wider tires is recommended for comfort. It's a family-friendly route, perfect for a relaxed outing, though you'll be sharing the path with hikers and equestrians.
The trail's historical roots as the North Pacific Coast Railroad right-of-way give it a unique character and a consistently mellow grade. Lagunitas Creek itself is a significant natural feature, known as a spawning ground for Coho Salmon and Steelhead Trout, which can be a fascinating sight during migration season. This loop provides a great way to experience the natural beauty and history of Marin County without overly strenuous effort.
View route
30.4km
03:07
860m
860m
Embark on a challenging touring cycling adventure with the Fairfax Falls 🌊 – Fairfax loop from Sleepy Hollow, a route designed to test your endurance and reward you with scenic views. This difficult 18.9-mile (30.4 km) loop features an impressive 2818 feet (859 metres) of elevation gain, promising a rigorous workout over approximately 3 hours and 6 minutes. You'll navigate through the diverse landscapes surrounding Sleepy Hollow, encountering a mix of terrain that demands a well-prepared touring bicycle and a strong will.
To make the most of this demanding ride, plan your visit carefully. Starting early in the morning is advisable to complete the loop before the day heats up, especially if you're tackling the Fairfax Falls cycling loop during summer. Ensure your bike is in top condition and you're carrying sufficient water and snacks for the duration. Parking near the Sleepy Hollow trailhead is generally available, but arriving early can help you secure a convenient spot.
While specific details about "Fairfax Falls" in Marin County are not widely documented, the route's stats suggest a journey through verdant hills and possibly some forested areas typical of the region. This challenging touring cycling guide offers a robust alternative to more common routes, providing a significant physical test and a chance to explore the quieter corners around Sleepy Hollow, Fairfax, Virginia cycling routes, if you're looking for a truly immersive experience.
View route
14.5km
01:28
450m
450m
The White Hill and Blue Ridge Fire Roads Loop offers a dynamic touring cycling experience through Marin County's diverse landscapes. You'll pedal through pockets of California bay and coast live oak, then emerge into open grasslands that stretch towards the horizon. The route is defined by its significant elevation changes, particularly the "challenging grunt of a climb" on Blue Ridge Fire Road, which rewards your effort with expansive views from the top of White Hill, where you can see Mount Diablo and Mount Tamalpais.
This moderate 9.0-mile (14.5 km) touring bicycle route involves 1464 feet (446 metres) of elevation gain, typically taking about 1 hour and 28 minutes. The terrain is primarily wide fire roads, suitable for gravel or mountain bikes, but expect rocky and rutted sections. Spring is an ideal time to visit, as the hills burst with wildflowers like lupines and California poppies, enhancing the scenic beauty.
Beyond the panoramic views, the White Hill Open Space Preserve is known for its diverse plant life, including rare species found on serpentine rocks at higher elevations. The preserve also connects to other trail systems like Loma Alta and Camp Tamarancho, offering options for extended rides. This loop provides a solid workout and a true taste of Marin County's natural beauty for experienced cyclists.
View route
47.4km
04:55
1,410m
1,410m
This challenging 29.4-mile (47.4 km) touring cycling loop from Fairfax takes you on a scenic adventure through the Mt. Tamalpais Watershed, offering 4615 feet (1407 metres) of elevation gain over roughly 4 hours and 55 minutes. You'll navigate a mix of paved, dirt, and gravel roads, cycling through redwood forests and alongside the tranquil waters of Lake Lagunitas, Alpine Lake, and Bon Tempe Lake. Keep an eye out for diverse wildlife and enjoy the open views from Bon Tempe Meadow, which some describe as reminiscent of an "African savanna scene." This route is best suited for experienced cyclists ready for a demanding ride.
Before you set out, be aware that accessing these trails often requires a day-use fee for parking. While Fairfax is a great starting point, be prepared for significant climbs, including steep grades up to 10% on roads like Bolinas-Fairfax. A gravel bike or a touring bike with wider tires is highly recommended for the varied terrain, as some unpaved sections might even necessitate pushing your bike. Spring is an excellent time to visit, as the area comes alive with vibrant wildflowers.
Beyond the ride itself, this loop offers a glimpse into Marin County's history and vital infrastructure. You'll pass by historical structures like Lagunitas Dam, built in 1860, and Alpine Dam, constructed in 1917, which are key components of the Marin Municipal Water District's reservoir system, supplying 75% of the region's domestic water. The area's extensive network of multi-use trails and its connection to the birthplace of mountain biking in Fairfax add to its unique appeal.
View route
41.3km
03:02
940m
940m
The Fairfax – Twin Knolls loop offers a robust touring cycling experience, challenging riders with its demanding elevation profile. You'll navigate primarily paved surfaces through the scenic woodlands and stream valleys of Fairfax County, enjoying views of green spaces and forests. This 25.6-mile (41.3 km) route features a substantial 3087 feet (941 metres) of climbing, making it a difficult ride that takes about 3 hours and 1 minutes to complete.
When planning your ride, consider the best season for Fairfax touring cycling, as the significant climbs will be more enjoyable in milder weather. While specific parking details for the Twin Knolls loop are not provided, the Fairfax area generally offers various access points to its cycling routes. Always ensure you have adequate hydration and are prepared for a physically strenuous outing.
This loop stands out among Fairfax cycling routes for its intense workout potential within a region known for diverse cycling landscapes. It's a great option for those seeking challenging cycling routes in the Fairfax area, providing a rigorous test of endurance and fitness amidst the natural beauty of the county's rolling hills and extensive parklands.
View route
13.8km
01:05
170m
170m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
View route
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Created by the construction of Seeger Dam on the Nicasio Creek in 1961, this shallow reservoir covers 845 acres and is part of the Marin Municipal Water District
0
0
Usually some vendors at this intersection for some fresh fruit! Views of Black Mountain are beautiful.
1
0
This trail, part of the Pacific Coast Bike Trail (PCB), is a fantastic, mostly paved two-lane bike route that follows Lagunitas Creek under towering redwood forests and runs parallel to Sir Francis Drake Boulevard on the other side of the valley. It continues south from the campground all the way to the southern exit of the Park.
0
0
This large group picnic area is a lovely spot under a shady grove of towering redwoods that sits along Lagunitas Creek. There is piped drinking water and restrooms nearby, and if it is not in use, it is an excellent place to stop for lunch. If you are bike touring with friends and wish to spend time here, you can reserve this spot through the Samuel Taylor State Parks' department website.
0
0
North end of the excellent car free section of paved flat trail through Sam Taylor Park
0
0
There are over 20 touring cycling routes in French Ranch Open Space Preserve that are designed to be traffic-free. These routes range in difficulty from easy to difficult, offering options for various skill levels.
The routes primarily feature multi-use trails and fire roads, often consisting of dirt and gravel surfaces. While suitable for gravel and cyclocross bikes, some segments can be unpaved and challenging, requiring a touring setup robust enough for varied conditions. You'll encounter forested canyons, redwood groves, and ridge-top sections.
Yes, there are a few easy routes perfect for those new to touring cycling or looking for a more relaxed ride. One option is the Pioneer Paper Mill memorial – Cross-Marin Trailhead loop from Samuel P. Taylor State Park, which covers about 11.5 km. Another accessible choice is the Cross-Marin Trailhead – Cross Marin Trail loop from Lagunitas Creek, spanning around 12.1 km.
You can explore diverse landscapes including deep, forested canyons with Douglas fir, redwood, and oak trees. The preserve connects to Roy's Redwoods Open Space Preserve, which features impressive old-growth redwood groves. Ridge-top sections, like those found along the French Ranch Fire Road, offer expansive views of the surrounding valleys. You might also encounter unique serpentine soil areas supporting rare plant species.
While the preserve is accessible year-round, the shaded sections within forested canyons and redwood groves offer a refreshing experience, especially during warmer months. However, some trails can become muddy during the rainy season, so checking weather conditions before your ride is advisable.
Absolutely. Many routes are rated moderate to difficult, offering a significant physical challenge. For instance, the White Hill and Blue Ridge Fire Roads Loop is a moderate 14.4 km ride with considerable elevation changes. The French Ranch Fire Road itself is rated 'Hard' in physical difficulty, suggesting a demanding ride for experienced gravel touring cyclists.
The area is highly rated by the komoot community, with an average score of 4.6 stars from 25 ratings. Reviewers often praise the preserve's diverse landscapes, the challenging yet rewarding gravel and dirt road riding, and the opportunity to experience quiet redwood groves and expansive ridge-top views away from traffic.
The preserve's multi-use trails generally allow dogs, but they must be kept on a leash. Always check specific trail regulations and signage before heading out, as rules can vary.
The preserve is a natural area with limited amenities. There are no restrooms, and visitors are advised to bring their own water, especially for longer touring rides. Plan to be self-sufficient regarding supplies.
Yes, French Ranch Open Space Preserve connects with Roy's Redwoods Open Space Preserve, expanding your cycling options. It's also part of the broader Marin County trail network, allowing for longer, more extensive touring adventures, including connections towards areas like Barnabe Mountain in Samuel P. Taylor State Park.
Yes, many of the routes are designed as loops, allowing you to start and end at the same point. Examples include the Bill's Trail loop from Samuel P. Taylor State Park and the Randall Trail loop from Hagmaier South Dam, both offering moderate challenges.


Browse the best Cycling routes in other regions.