The best MTB trails in Horse Hill Open Space Preserve

Horse Hill Open Space Preserve offers a range of mountain bike trails, from moderate to difficult. Out of 90 available routes, you'll find 12 easy, 59 moderate, and 19 difficult options, catering to various skill levels.

Yes, there are 12 routes considered easy for mountain biking in Horse Hill Open Space Preserve. These trails are suitable for those new to the sport or looking for a more relaxed ride.

For experienced riders seeking a challenge, Horse Hill Open Space Preserve has 19 difficult mountain bike routes. Trails like the Old Mine Trail (lower) 🌲 – Miwok Trail loop from Mill Valley, which is 27.2 miles long with over 1000 meters of elevation gain, offer demanding climbs and varied terrain. Another difficult option is the Marincello Trail – Rodeo Valley Trail loop from Mill Valley, spanning 28.5 miles with significant elevation changes.

Trail lengths vary significantly. For example, the Mount Tamalpais & Coastal Trail loop is 22.0 miles (35.4 km) and typically takes around 3 hours 20 minutes. Longer routes, such as the Marincello Trail – Rodeo Valley Trail loop from Mill Valley, can be up to 28.5 miles (45.9 km) and take closer to 4 hours 28 minutes to complete.

Yes, many of the mountain bike routes in Horse Hill Open Space Preserve are designed as loops, allowing you to start and end at the same point. Examples include the popular Mount Tamalpais & Coastal Trail loop and the Bobcat Trail – Marincello Trail loop from Mill Valley.

Riders can expect diverse scenery characterized by rolling hills, expansive open grasslands, and coastal influences. The trails offer a mix of exposed paths with panoramic views and sections with some tree cover, typical of a California open space. You'll often encounter expansive vistas, especially on routes like the Marincello Trail – Rodeo Valley Trail loop from Mill Valley.

The area is highly rated by the komoot community, with an average score of 4.76 stars from over 180 reviews. Reviewers often praise the varied terrain, scenic coastal views, and the challenging climbs found on many of the routes.

Given its coastal influences and open grasslands, the preserve is generally pleasant for mountain biking during the spring and fall months when temperatures are milder. Winter can also be good, but trails may be muddy after rain. Summers can be warm and exposed, so early morning rides are often preferred.

Many trails in Horse Hill Open Space Preserve offer excellent scenic viewpoints, particularly those with coastal exposure or higher elevations. Routes like the Mount Tamalpais & Coastal Trail loop are known for their scenic coastal views, while others provide expansive vistas over the rolling hills and open spaces.

Given the varied terrain and potential for exposed sections, it's advisable to bring plenty of water, sun protection (sunscreen, hat), and layers of clothing. A helmet, repair kit, and navigation tools (like the komoot app) are also essential. Be prepared for changing weather conditions, especially if riding near the coast.

While many trails are moderate to difficult, the 12 easy routes available in Horse Hill Open Space Preserve can be suitable for families with some mountain biking experience. It's always recommended to check the specific trail details and elevation profiles on komoot to ensure it matches your family's ability level.

Parking is typically available at various trailheads and access points around the preserve. For routes originating from Mill Valley, such as the Tennessee Valley Trailhead – Old Springs Trail loop from Mill Valley, designated parking areas are usually provided. It's best to check the specific tour details on komoot for recommended starting points and parking information.