The best gravel rides around Mill Valley

Mill Valley offers a diverse selection of over 10 gravel bike trails, catering to various skill levels. These routes traverse redwood forests, rolling hills, and provide stunning coastal views.

Gravel biking around Mill Valley features a mix of challenging terrain, from deep canyons and sweeping hillsides to cool redwood forests and open grasslands. Many routes combine dirt and paved sections, with significant elevation gains, especially when ascending Mount Tamalpais or exploring the Marin Headlands.

The Mill Valley area is generally excellent for gravel biking year-round, though spring and fall offer particularly pleasant conditions with mild temperatures and vibrant scenery. Summers are typically dry and warm, while winters can bring rain, making some trails muddy. Always check local weather conditions before heading out.

While many routes in Mill Valley feature significant climbing and can be challenging, there are options for those seeking a more relaxed experience. The Marincello Trail – Sausalito — Mill Valley Path loop from Alta offers a mix of hard gravel and paved surfaces, providing a good introduction to the area's diverse terrain. For very casual rides, the mostly paved Mill Valley-Sausalito Pathway is also an option.

Many gravel routes in Mill Valley offer breathtaking views. Ascending Mount Tamalpais via routes like the Railroad Grade Fire Road loop from Mill Valley provides expansive views of Muir Woods, the Bay Area, and the Pacific Ocean. The Marin Headlands offer stunning vistas of the Golden Gate Bridge and the Pacific. You can also explore highlights like the Mount Tamalpais Summits or the Bon Tempe Dam.

Yes, several excellent loop routes are available. The Pantoll Road loop from Mill Valley is a challenging option, while the Phoenix Lake – Fish Gulch trail junction loop from Mill Valley offers varied natural surroundings. For a longer, more difficult ride, consider the Alpine Dam – Fish Gulch trail junction loop from Alta.

The gravel biking routes around Mill Valley are highly rated by the komoot community, with an average score of 4.75 stars from over 7 reviews. Riders frequently praise the diverse landscapes, from redwood forests to coastal views, and the challenging yet rewarding climbs that offer spectacular panoramas.

Public transport options to trailheads can be limited. While Mill Valley itself has some local bus services, reaching specific gravel trailheads, especially in more remote areas like the Marin Headlands or Mount Tamalpais, often requires a car. It's advisable to check local transit schedules and routes in advance if planning to use public transport.

Mill Valley and surrounding towns offer various cafes and eateries. For example, the Splitrock Tap & Wheel is a popular spot. Some routes, particularly those near Mount Tamalpais, might have limited options, so it's always a good idea to carry sufficient water and snacks. The West Point Inn on Mount Tamalpais is a historic spot that sometimes offers refreshments.

Generally, permits are not required for gravel biking on most fire roads and designated multi-use trails in Marin County, including those within Mount Tamalpais State Park or the Marin Headlands. However, rules can vary, especially for specific areas or events. It's always best to check the official websites of the relevant park authorities (e.g., Mount Tamalpais State Park, Golden Gate National Recreation Area) for the most current regulations before your ride.

Dog policies vary by park and trail. While some areas allow dogs on leash, others, particularly sensitive natural areas or those with wildlife protection, may restrict them. For instance, Mount Tamalpais State Park has specific rules regarding dogs. Always check the regulations for the specific trail or park you plan to visit to ensure it's dog-friendly and understand any leash requirements.

Gravel bike routes in Mill Valley vary significantly in length and elevation. You can find routes ranging from approximately 15 miles (24 km) with around 2,000 feet (600 m) of climbing, such as the Railroad Grade Fire Road loop, to longer, more challenging rides like the Alpine Dam – Fish Gulch trail junction loop, which covers about 35 miles (56 km) with over 3,700 feet (1,100 m) of elevation gain. Expect significant climbing on most routes due to the region's hilly topography.