The best traffic-free bike rides in King Mountain Open Space Preserve
4.6
(35)
795
riders
32
rides
Gravel biking in King Mountain Open Space Preserve offers a network of multi-use trails and fire roads across 193 acres. The terrain includes shaded mixed woodlands, sunny grasslands, and redwood canyons, providing varied riding conditions. Riders can expect both gentle climbs and more challenging sections with significant elevation gain. The preserve features diverse natural environments suitable for gravel bikes.
Best no traffic gravel bike trails in King Mountain Open Space Preserve
- The most popular no traffic gravel bike trail isโฆ
Last updated: October 13, 2026
4.8
(6)
76
riders
47.4km
04:21
1,270m
1,270m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
64
riders
29.3km
02:46
850m
850m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
43
riders
37.0km
03:07
1,000m
1,000m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
44
riders
36.3km
02:34
510m
510m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around King Mountain Open Space Preserve
Tips from the Community
Mount Tam East Peak offers some of the most majestic views north of the bay. From this vantage point, you can see all of Marin, along with Point Reyes to the north and Oakland and San Francisco to the south. The stunning panoramic vistas make the journey well worth the effort. There are restrooms and picnic tables, ideal for a snack or lunch while you capture some incredible photos.
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Often busy on weekends, this is a great spot to take moment before/after summiting Mt Tam. There are spigots to fill up water and bathrooms that are open during park hours. The parking lot is very close for those that drive up. There is access to MANY trails for those on foot/bike.
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At this point on Sky Oaks Road, there is a junction with Shaver Grade Road, which connects with a dense network of trails and dirt roads near Bald Hill in the Mount Tamalpais State Park. From here, you can continue on the paved Sky Oaks Road or go arond the gate on to the gravel Shaver Grade Road.
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Pantoll Road is a beautiful, mostly paved route through Mount Tamalpais State Park, connecting the Panoramic Highway to Ridgecrest Boulevard. It winds closely along the curves of the hillside, with some shade from the trees in some spots. There are fantastic views along the way of San Francisco and the Marin Headlands, with incredible viewpoints over the Pacific coastline.
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Mount Tamalpais State Park is a majestic area in the heart of Marin County, with sweeping hillsides covered in fantastic redwood forest, open grasslands, sturdy chaparral, and wooded oaklands. The views from Mount Tampais boast breathtaking vistas of the Pacific Ocean, San Francisco Bay and City, the Marin County Hills, Mount Diablo, and the East Bay. You can even see the Farallon Islands, 25 miles out to sea. If you're lucky, you can catch an occasional glimpse of the snow-capped Sierra Nevada Mountain Range, nearly 150 miles away. The Park is a haven for cyclists, hikers, wildlife watchers, or those who wish to find a beautiful spot for an afternoon picnic.
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This tidal sanctuary runs along the Mill Valley-Sausalito Pathway and the Charles F. McGlashan Pathway. More than 400 species of migratory birds rest here after their long flights, and if you pass through in the early morning or late evening, the sunrises and sunsets reflect beautifully on the surface of this 106-acre marsh.
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There is a great view of the northern point of Alpine lake where a small channel feeds over to Bon Tempe Lake. This is a great place to drop a line, or just enjoy the aquatic views.
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Frequently Asked Questions
How many no-traffic gravel bike trails are available in King Mountain Open Space Preserve?
King Mountain Open Space Preserve offers a wide selection of routes, with over 30 dedicated no-traffic gravel bike trails. These range from moderate to difficult, ensuring a suitable challenge for various skill levels.
What kind of scenic views can I expect on these no-traffic gravel bike trails?
The preserve is renowned for its breathtaking panoramic views. From various points along the trails, you can take in expansive vistas of the San Francisco Bay, Mount Tamalpais, and the Richmond-San Rafael Bridge. The View from King Mountain is particularly spectacular.
Are there any notable natural features or landmarks to discover along the way?
Yes, the preserve showcases a rich tapestry of natural environments. You can traverse shaded mixed woodlands, sunny grasslands, and redwood canyons. After rainstorms, seasonal waterfalls are a highlight, with Dawn Falls Trail being a notable attraction. The trails also feature areas with chaparral and wildflowers in the spring.
Are there options for different skill levels, from easy to challenging, for no-traffic gravel biking?
Absolutely. While the guide focuses on moderate to difficult routes, the preserve features multi-use trails and fire roads that are well-suited for gravel bikes, encompassing both gentle climbs and more strenuous sections. For a challenging experience, consider the Lagunitas Trail loop from Corte Madera, which covers nearly 38 km with significant elevation gain.
When is the best time of year to gravel bike in King Mountain Open Space Preserve?
The preserve is enjoyable year-round, but spring offers the beauty of wildflowers and lush greenery. After rainstorms, seasonal waterfalls like Dawn Falls are at their best. The varied terrain provides shaded sections for warmer days and open areas for cooler weather.
Can I find circular no-traffic gravel bike routes in the preserve?
Yes, many of the no-traffic gravel bike trails in King Mountain Open Space Preserve are designed as loops. An excellent moderate option is the Phoenix Lake โ Fish Gulch trail junction loop from Larkspur, offering a scenic ride without repeating sections.
What do other gravel bikers enjoy the most about gravel biking in King Mountain Open Space Preserve?
The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the diverse terrain, the stunning panoramic views of the Bay and Mount Tamalpais, and the peaceful, traffic-free nature of the trails, which allows for an immersive outdoor experience.
Are there any longer, more challenging no-traffic gravel bike routes for experienced riders?
For experienced riders seeking a significant challenge, routes like the Old Mine Trail (lower) ๐ฒ loop from Mill Valley offer nearly 47 km of riding with over 1200 meters of elevation gain, providing a demanding and rewarding experience.
Are there any trails that connect to other natural areas from King Mountain Open Space Preserve?
Yes, the preserve connects to other natural areas. For example, the Blithedale Ridge Fire Rd ๐ป๐ต is part of the Blithedale Summit Open Space Preserve, known for its mountain biking opportunities and great views, offering extended riding possibilities.
What kind of terrain can I expect on the no-traffic gravel bike trails?
The terrain is diverse, featuring multi-use trails and fire roads. You'll encounter a mix of shaded mixed woodlands, sunny grasslands, and redwood canyons. The surfaces are generally well-suited for gravel bikes, ranging from packed dirt to some rockier sections, providing a varied and engaging ride.
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