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United States
California
Napa County

Las Posadas State Forest

The best MTB trails in Las Posadas State Forest

5.0

(7)

118

riders

9

rides

Mountain biking in Las Posadas State Forest offers a diverse trail system across approximately 3,340 acres in Napa County. The terrain is characterized by unique volcanic soils, dense oak woodlands, and winding singletrack paths through manzanita tunnels. Riders can expect a mix of smooth fire roads, technical sections with natural obstacles, and moderate climbs, catering to various skill levels. The forest provides a natural setting for mountain biking, with unpaved and rugged trails.

Best mountain bike trails in Las Posadas…

Last updated: July 2, 2026

9

riders

#1.

The Saddle loop from Pacific Union College

17.2km

01:49

440m

440m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

5.0

(1)

34

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Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

5.0

(1)

20

riders

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard
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Popular around Las Posadas State Forest

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Running Trails in Las Posadas State Forest

Tips from the Community

Andrus
August 21, 2025, Dry Foot Trail

As I'm sure you have guessed, this trail travels higher on the hillside to avoid Moore Creek, meaning you avoid some water crossings and as such have dry feet.

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Sue
January 20, 2024, The Saddle

In this beautiful section of the park, Gravel Road passes through The Saddle and is the primary junction for most trails in the Mill Valley region of the forest. The road is primarily flat with rolling sections that run parallel to Angwin-Parrett Field Airport, ending at Whoop-de-doos. The multi-use trails are a popular spot for hikers, bikers, horses, and dogs, so keep aware as you ride through this beautiful area, which has lots of flora, fauna, and wildlife to observe along the way.

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Scott
December 7, 2023, Conn Peak

Conn Peak, reaching 964 feet in California, suits those with moderate fitness. In the right season, it unveils vibrant wildflowers. The summit offers a beautiful view of Lake Hennessey.

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Will
November 25, 2023, Las Posadas State Forest

Las Posadas is a fantastic destination for bikers and skiers. The trail system offers a variety of experiences, including shady single tracks, smooth descents, table tops, rock drops, and stunning views from Inspiration Point. Keep your eyes open as you explore the area, there is lots of flora and fauna and wildlife to observe along the way.

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Frequently Asked Questions

What kind of terrain can I expect on mountain bike trails in Las Posadas State Forest?

The trails in Las Posadas State Forest offer a diverse experience, characterized by unique volcanic soils and dense oak woodlands. You'll find shady singletrack paths winding through manzanita tunnels, as well as smooth, fast descents on fire roads. There are also more technical sections featuring natural obstacles like roots, small rocky sections, lazy tabletops, rock drops, log sections, and 'whoop de doos'. The trails are generally unpaved and rugged, providing a natural and challenging ride.

How many mountain bike trails are available in Las Posadas State Forest?

There are 8 mountain bike routes available in Las Posadas State Forest. These range from moderate to difficult, offering options for various skill levels.

Are there any easy mountain bike trails for beginners in Las Posadas State Forest?

Yes, there is one easy mountain bike route available, making it suitable for beginners or those looking for a more relaxed ride. The majority of trails are rated as difficult, so it's good to check the difficulty before heading out.

What are the best times of year to go mountain biking in Las Posadas State Forest?

The best times to visit Las Posadas State Forest for mountain biking are generally during spring and fall. Conditions are cooler during these seasons, making for a more comfortable ride. Occasionally, the forest experiences winter snowfall, transforming it into a unique 'winter wonderland' for those who enjoy cold-weather riding.

Are there any loop trails for mountain biking in Las Posadas State Forest?

Yes, many of the mountain bike routes in Las Posadas State Forest are loops. For example, you can explore The Saddle loop from Angwin, which is a moderate 17.2 km ride, or the more challenging Conn Peak loop from Conn Peak, covering 14.3 km.

What do other mountain bikers say about the trails in Las Posadas State Forest?

The mountain bike routes in Las Posadas State Forest are highly rated by the komoot community, with an average score of 5.0 stars. Riders often praise the diverse terrain, from shady singletrack to challenging technical sections, and the natural beauty of the oak woodlands and manzanita tunnels.

Are there any notable natural features or viewpoints along the mountain bike trails?

Yes, the forest is known for its unique volcanic rock formations, dense oak forests, and scenic manzanita tunnels. Inspiration Point offers beautiful views, providing a rewarding destination for riders. While not directly on a bike trail, the Linda Falls Trail is a delightful short hike nearby that culminates in breathtaking views.

What is the longest mountain bike route available in Las Posadas State Forest?

The longest mountain bike route is the Oat Hill Mine Trail – Las Posadas State Forest loop from Conn Peak. This extensive and difficult route spans 70.6 km and typically takes around 6 hours and 12 minutes to complete, featuring diverse terrain and significant elevation changes.

Are there any family-friendly mountain biking options in Las Posadas State Forest?

While the majority of trails are rated as difficult, there is one easy route available that could be suitable for families or those with less experience. It's always recommended to check the specific route details and difficulty before heading out with children.

What kind of wildlife might I encounter while mountain biking in Las Posadas State Forest?

Las Posadas State Forest is home to various wildlife. While enjoying your ride, you might spot local animals, including bobcats and mountain lions. It's always a good idea to be aware of your surroundings and respect the natural habitat.

How long do mountain bike rides typically take in Las Posadas State Forest?

Ride durations vary significantly depending on the trail and your pace. For example, a moderate route like The Saddle loop from Angwin takes about 1 hour 50 minutes, while a difficult and longer route such as Conn Peak loop from Saint Helena can take around 3 hours 40 minutes.

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