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Gravel rides
United States
California
Marin County

Tiburon

The best gravel rides around Tiburon

4.8

(63)

1,278

riders

37

rides

Gravel biking around Tiburon offers diverse terrain across a peninsula reaching into the San Francisco Bay. The region features oak-studded hillsides, open space preserves, and trails that provide panoramic bay views. Its geography includes varied elevations, from coastal paths to more challenging climbs towards areas like Mount Tamalpais. This area is characterized by its unique peninsular location, offering sweeping vistas of the San Francisco Bay and surrounding natural features.

Best gravel bike trails around Tiburon

  • The most popular gravel bike trail is Old Mine Trail (lower) 🌲 loop from Mill Valley, a 29.5 miles (47.4 km) trail that takes 4 hours 23 minutes to complete, featuring significant elevation gain.
  • Another top favourite among local gravel bikers is Marincello Trail – Sausalito β€” Mill Valley Path loop from Alta, a difficult 20.4 miles (32.9 km) path offering varied terrain and scenic vistas.
  • Local gravel bikers also love the Railroad Grade Fire Road loop from Mill Valley, a 15.2 miles (24.5 km) trail leading through the Mount Tamalpais area, often completed in about 2 hours 39 minutes.
  • Gravel biking around Tiburon is defined by panoramic bay views, oak-studded hillsides, and diverse trails. The network offers options for different ability levels, from challenging climbs to more accessible paths.
  • The routes in Tiburon are highly rated by the komoot community with an average score of 4.7 stars from over 29 reviews. More than 700 gravel bikers have used komoot to explore Tiburon's varied terrain.

Last updated: July 15, 2026

4.8

(6)

73

riders

#1.

Old Mine Trail (lower) 🌲 loop from Mill Valley

47.4km

04:21

1,270m

1,270m

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

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Hard

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

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

Hard

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

Hard

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

Moderate
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Popular around Tiburon

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Tips from the Community

Eric Cross
August 10, 2025, Phoenix Lake

log cabin at phoenix lake

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Arrival of the magnificent Golden Gate crossing

Translated by Googleβ€’

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Good vantage point.

Translated by Googleβ€’

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Jude
April 6, 2025, Coastal Trail

Super fun

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roukir
November 23, 2023, Sausalito Waterfront

A nice place, but the bike parking fee and the price of an ice cream are a complete rip off!

Translated by Googleβ€’

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Sue
October 26, 2023, Bothin Marsh Preserve

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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From easiest to hardest climbs out of phoenix lake from this junction: -Shaver Grade, easy grade, longer, shaded and pretty -Eldridge Grade, medium, good length and can connect you to mt tam east peak -Fish Grade fire road, very steep, we hiked the bikes

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Frequently Asked Questions

How many gravel bike trails are there around Tiburon?

There are over 45 gravel bike routes around Tiburon, offering a wide range of options for different skill levels and preferences. The komoot community has explored nearly 1,000 of these routes.

Are there easy or beginner-friendly gravel bike trails in Tiburon?

While many routes in the immediate Tiburon area are rated as moderate to difficult, the region offers some accessible options. The **Tiburon Historic Trail** and the **Old Rail Trail** (Tiburon Linear Park) are generally paved and offer flat, scenic rides suitable for all ages and skill levels, though they might not be strictly 'gravel' in all sections. For a more dedicated gravel experience, consider exploring the less challenging sections of the 13 moderate routes available.

What are the most challenging gravel biking routes near Tiburon?

For experienced gravel bikers seeking a challenge, Tiburon and the surrounding areas offer several difficult routes with significant elevation gain. The Bothin Marsh Preserve – Pantoll Road loop from Tamalpais-Homestead Valley is a demanding 30-mile (48.5 km) route with over 4,250 feet (1,295 m) of climbing. Another challenging option is the Phoenix Lake – Fish Gulch trail junction loop from Mill Valley, which covers 28.3 miles (45.5 km) with over 3,870 feet (1,180 m) of ascent.

What kind of terrain can I expect on gravel bike trails in Tiburon?

Gravel biking around Tiburon offers diverse terrain. You'll find everything from paved paths along the bay, like the Old Rail Trail, to more rugged gravel roads and fire roads in the oak-studded hillsides and open space preserves. Routes often feature varied elevations, from coastal flats to challenging climbs towards areas like Mount Tamalpais, providing a mix of surfaces and gradients.

Are there any circular gravel bike routes in Tiburon?

Yes, many of the gravel routes around Tiburon are designed as loops, allowing you to start and end at the same point. For example, the Pantoll Road loop from Mill Valley is a popular 21.5-mile (34.6 km) circular route. Another option is the Railroad Grade Fire Road loop from Mill Valley, which is 15.2 miles (24.5 km) long.

What natural features and scenic viewpoints can I expect along the gravel trails?

Tiburon's gravel trails are renowned for their panoramic bay views, offering stunning vistas of the San Francisco skyline, the Golden Gate Bridge, and Angel Island. You'll also ride through picturesque oak-studded hillsides and open space preserves. Highlights like Golden Gate Bridge Overlook Battery Spencer provide iconic photo opportunities, and areas like Ring Mountain Open Space Preserve offer unique serpentine soils and rare plant species.

What attractions or landmarks can I see near the gravel bike trails?

Beyond the natural beauty, you can explore several attractions. The Bothin Marsh Preserve offers a chance to observe local wildlife. You might also pass by the historic Old St. Hilary's Church or the beloved local landmark Blackie's Pasture. For those willing to take a short detour, the Muir Woods National Monument Entrance is also nearby, offering a different natural experience.

Is Tiburon a good destination for family-friendly gravel biking?

Yes, Tiburon offers excellent options for family-friendly biking, particularly on its paved paths. The **Old Rail Trail** (Tiburon Linear Park) is a flat, accessible route connecting downtown Tiburon to Blackie's Pasture, perfect for families with children. Shoreline Park also provides a flat, paved path with unobstructed views, ideal for leisurely rides.

Are gravel bike trails in Tiburon dog-friendly?

Many trails in the Tiburon area, especially those in open space preserves and parks, are dog-friendly, typically requiring dogs to be on a leash. It's always best to check specific trail regulations before heading out, but generally, you'll find opportunities to enjoy the trails with your canine companion.

What is the best season for gravel biking in Tiburon?

Tiburon generally enjoys a mild climate, making it suitable for gravel biking year-round. However, spring and fall often offer the most pleasant conditions with moderate temperatures and less chance of rain. Summers can be warm but are often tempered by coastal breezes, while winters are mild but may bring occasional rain, which can make some gravel sections muddy.

Where can I find parking for gravel biking trailheads in Tiburon?

Parking is available at various points throughout Tiburon and near popular trailheads. For routes starting in Mill Valley or Sausalito, there are often public parking lots or street parking options. For trails directly in Tiburon, you can typically find parking near Shoreline Park or downtown areas, providing convenient access to the Old Rail Trail and other starting points.

What do other gravel bikers enjoy most about gravel biking in Tiburon?

The area is highly rated by the komoot community, with an average score of 4.7 stars from over 30 reviews. Reviewers often praise the diverse terrain, the stunning panoramic bay views, and the variety of routes that cater to different ability levels, from accessible paths to challenging climbs.

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