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Marin County

Baltimore Canyon Open Space Preserve

The best cycling routes in Baltimore Canyon Open Space Preserve

4.6

(361)

6,250

riders

175

rides

Touring cycling in Baltimore Canyon Open Space Preserve features diverse landscapes, including shaded forests of redwoods and Douglas firs. The preserve contains multiuse trails and gravel fire roads, such as Hoo-Koo-E-Koo Fire Road and Indian Fire Road, suitable for touring cyclists. Larkspur Creek meanders through the canyon, and the network connects to adjacent parklands like King Mountain and Blithedale Summit. This provides varied terrain with both gradual grades and opportunities for steady climbs and descents.

Best touring cycling routes in…

Last updated: May 7, 2026

3.5

(2)

40

riders

#1.

Phoenix Lake – Bon Tempe Lake loop from Larkspur

20.9km

01:39

320m

320m

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

5.0

(1)

62

riders

Cycle a moderate 20.7-mile loop around Phoenix and Bon Tempe Lakes, enjoying diverse terrain, scenic views, and wildlife spotting.

Moderate
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Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy
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Popular around Baltimore Canyon Open Space Preserve

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Tips from the Community

serge 🚶🐉😊🇧🇪
October 12, 2025, Marin Museum of Bicycling

An absolute must-see for cycling enthusiasts! This museum in Fairfax tells the story of nearly 200 years of cycling history, from 19th-century velocipedes to modern racing bikes. It's also home to the Mountain Bike Hall of Fame, featuring unique specimens and stories about the pioneers of mountain biking. The collection is impressive and authentic—no replicas, but real bicycles that showcase the evolution of technology and design. An inspiring place where you can truly feel the passion for cycling.

Translated by Google

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nice views of Mt Tam

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Eric Cross
August 10, 2025, Phoenix Lake

log cabin at phoenix lake

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The Larkspur Ferry Terminal has several ferries that take you to downtown San Francisco. The ferries are usually every hour, but make sure to check the schedule for any change before you go.

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oliviakellis
September 15, 2024, Bon Tempe Lake

West of Lake Lagunitas, Bon Tempe Lake is a reservoir managed by Marin Municipal Water District. It features striking scenery, with lush trees, clear water, and a peaceful atmosphere.

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oliviakellis
September 15, 2024, Bon Tempe Lake

West of Lake Lagunitas, Bon Tempe Lake is a reservoir managed by Marin Municipal Water District. It features striking scenery, with lush trees, clear water, and a peaceful atmosphere.

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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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Wide earthen dam with a great gravel trail crossing. From the top of this dam excellent views of the Bon Tempe Lake, and down across Alpine Lake at a lower elevation.

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Frequently Asked Questions

How many touring cycling routes are available in Baltimore Canyon Open Space Preserve?

There are over 160 touring cycling routes in Baltimore Canyon Open Space Preserve. These routes offer a range of experiences, with 31 easy, 73 moderate, and 63 difficult options to choose from.

What is the overall difficulty level of touring cycling routes in Baltimore Canyon Open Space Preserve?

The routes in Baltimore Canyon Open Space Preserve cater to various skill levels. While there are 31 easy routes perfect for a relaxed ride, the majority are moderate (73 routes) or difficult (63 routes), offering more challenging ascents and descents, particularly on the fire roads that climb towards Mount Tamalpais.

What do other touring cyclists enjoy most about the routes in Baltimore Canyon Open Space Preserve?

The touring cycling routes in Baltimore Canyon Open Space Preserve are highly rated by the komoot community, with an average score of 4.7 stars from over 300 reviews. Cyclists often praise the diverse landscapes, including shaded forests of redwoods and Douglas firs, picturesque creek-side paths along Larkspur Creek, and the well-maintained gravel fire roads.

Are there any family-friendly touring cycling routes in the preserve?

Yes, Baltimore Canyon Open Space Preserve offers several family-friendly options. Many of the easier routes, particularly those along the creek or on less steep fire roads, are suitable for families. The preserve's shaded trails provide a comfortable riding experience even on warmer days.

What natural features or scenic views can I expect to see while touring cycling?

You'll encounter lush, shaded forests with towering redwoods and Douglas firs, especially along Larkspur Creek. During the rainy season, Dawn Falls is a prominent attraction. Higher up, fire roads like Blithedale Ridge Fire Rd offer panoramic views of the valley and San Francisco Bay.

Are there any loop routes for touring cyclists?

Yes, there are several excellent loop routes. For example, the Phoenix Lake to Bon Tempe Lake loop is a popular moderate option, leading through diverse forest and lake environments. Another easy loop is the Corte Madera Pathway – Corte Madera - Larkspur Path loop from Larkspur.

What kind of terrain should I expect on the touring cycling routes?

The preserve features a variety of terrain suitable for touring bikes. You'll find multiuse gravel fire roads, such as Hoo-Koo-E-Koo Fire Road Trail and Indian Fire Road trail, which are generally manageable. Some routes offer gradual grades, while others include steady climbs and descents, especially as you connect to higher elevations towards Mount Tamalpais.

What is the best time of year to go touring cycling in Baltimore Canyon Open Space Preserve?

The preserve is enjoyable year-round. The shaded forests provide a cool retreat during warmer months. In spring, the area comes alive with wildflowers, particularly near the Hoo-Koo-E-Koo Trail. During the rainy season (winter), Larkspur Creek runs strong, and Dawn Falls is most impressive, creating a magical atmosphere with moss-covered trees.

Are there any historical points of interest along the routes?

Yes, you can explore remnants of an old quarry where blue basalt was once extracted. The area also has historical connections, with notable figures like Janis Joplin and Jerry Garcia having lived near the Dawn Falls Trail.

Where can I park when visiting Baltimore Canyon Open Space Preserve for cycling?

Parking is typically available at various trailheads and access points around the preserve. Specific parking locations can be found by consulting detailed maps of Marin County Parks, which manage the preserve.

Can I reach Baltimore Canyon Open Space Preserve using public transport?

Yes, the preserve is accessible via public transportation. You can reach the area, particularly the town of Larkspur, which borders the preserve, using local transit options. From Larkspur, you can connect to the trail network.

What kind of wildlife might I see while cycling?

Beyond the fish in Larkspur Creek like steelhead, and California giant salamanders, you might spot pileated woodpeckers in the main canyon. The diverse woodlands and chaparral also support various other bird species and small mammals.

Most popular routes in Baltimore Canyon Open Space Preserve

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