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MTB trails
United States
California
Mendocino County

Jackson Demonstration State Forest

The best MTB trails in Jackson Demonstration State Forest

4.8

(6)

195

riders

16

rides

Mountain biking in Jackson Demonstration State Forest offers an extensive network of trails winding through redwood forests and diverse terrain. The region features elevations ranging from 80 to 2,200 feet, providing varied challenges for riders. This managed forest ecosystem includes numerous singletrack paths and dirt roads, making it a primary hub for mountain biking on the Mendocino Coast. Riders can explore areas with coast redwood, Douglas-fir, and other native tree species, alongside rivers and streams.

Best mountain bike trails in Jackson Demonstration State Forest

  • The most popular mountain bike trail is Mendo Primo loop, a 18.2 miles (29.2 km) trail that takes 3 hours 3 minutes to complete. This moderate route winds through redwood forests with significant elevation gain.
  • Another top favourite among local mountain bikers is Mendocino Woodlands Observatory Loop, a moderate 15.6 miles (25.1 km) path. This route offers varied terrain and includes notable sections of Mendocino Coast riding.
  • Local mountain bikers also love the Hare Creek Trail, a 9.6 miles (15.4 km) trail leading through dense forest, often completed in about 1 hour 27 minutes.
  • Mountain biking in Jackson Demonstration State Forest is defined by extensive redwood forests, diverse singletrack, and varied elevations. The network offers options for different ability levels, from easy paths to more challenging moderate routes.
  • The routes in Jackson Demonstration State Forest are highly rated by the komoot community with an average score of 4.8 stars from over 5 reviews. More than 180 mountain bikers have used komoot to explore Jackson Demonstration State Forest's varied terrain.

Last updated: May 10, 2026

5.0

(1)

34

riders

#1.

Mendo Primo loop

29.2km

03:04

820m

820m

This moderate 18.2-mile mountain bike loop in Jackson Demonstration State Forest winds through redwood forests with 2700 feet of gain.

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Moderate

20

riders

Experience moderate mountain biking on the 15.6-mile Mendocino Woodlands Observatory Loop, winding through stunning redwood forests.

Moderate
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3

riders

15.4km

01:27

230m

230m

An easy 9.6-mile mountain biking route through the forested Hare Creek Trail in Jackson Demonstration State Forest, California.

Easy

This moderate 8.0-mile mountain bike loop in Mendocino Headlands State Park offers diverse terrain and scenic views of the Big River estuary

Moderate

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Hiking in Jackson Demonstration State Forest

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Cycling in Jackson Demonstration State Forest

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Tips from the Community

b1sh0ps
November 8, 2025, Hare Creek Trail

As of 11/2025: The Hare Creek trail loop as recommended by Komoot is not rideable. The last 2 miles are essentially impassable. You will need to push your bike up hill and have a very good sense of direction, or strong gps, or local knowledge. In addition much of the trail has tree blockage, washed out roads and paths. The North and North East sections are acceptable.

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Sue
July 16, 2024, Hare Creek Trail

This trail is an old logging road that winds along the quiet Hare Creek. It is a relatively flat and easy ride, with a fantastic spot at the end near the bridge, perfect for stopping for lunch and enjoying the scenery.

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Sue
July 16, 2024, Motorcycle Trail

This trail is a relatively short (1.5 km) singletrack, offering an exhilarating experience with the opportunity to pick up some speed. While not particularly challenging at a moderate pace, be aware that Big Tree Trail comes up fast and is very popular with hikers.

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This beautiful 720-acre park is home to stunning and majestic towering redwoods. It offers sizeable private group camping facilities with full-service cabins, accommodating up to 200 people. The day-use area features eight miles of hiking and biking trails, along with over 25 miles of routes leading to the adjacent Jackson Demonstration State Forest.

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Mendocino Headlands State Park, spanning 347 acres, is the jewel of Northern California. It features miles of a fantastic network of trails that wind along cliffs, offering picturesque views of the Big River, sandy beaches and rugged coastline. Adjacent to Jackson Demonstration State Forest and Mendocino Woodlands State Park, you'll find endless places to explore and enjoy this spectacular area.

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Sue
July 16, 2024, Big River

The Big River is the longest undeveloped estuary in the state, stretching 41.7 miles and nestled amid towering old-growth redwoods. It is a sanctuary for wildlife and a stunning feature of Mendocino Headlands State Park. As you ride through this idyllic landscape, you'll see plenty of waterfowl that inhabit this peaceful setting.

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Sue
July 16, 2024, Big River Trail

The Big River Trail is a scenic old haul road closed to motor vehicles that offers an easy ride with minimal elevation gain. Most of the road is double track, although portions have been grown over into singletrack. It is a popular choice for hikers, runners, and families, with picturesque views of the Big River Estuary and surrounding woodlands along the way.

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This small stretch of road turns to dirt for a relatively short distance (2.3km), although it is very flat with a beautiful stretch of trees, making the climb well worth the effort.   As you continue, the route T’s into Little Lake Road, where you can choose from two options. Turning right continues the loop, descending back to Mendocino, although the road can be somewhat rough at times, or, it is the perfect spot to turn around and re-experience the beautiful scenery again.

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Frequently Asked Questions

How many mountain bike trails are available in Jackson Demonstration State Forest?

Jackson Demonstration State Forest offers a network of over 15 mountain bike trails, ranging from easy to difficult. The forest is known for its extensive singletrack, with between 80 and 100 miles winding through redwood forests and diverse terrain.

Are there mountain bike trails suitable for beginners in Jackson Demonstration State Forest?

Yes, there are several easy trails available. For instance, the Hare Creek Trail is a 9.6-mile path leading through dense forest, often completed in about 1 hour 27 minutes, making it a good option for those new to mountain biking in the area.

What kind of terrain can I expect on the mountain bike trails in Jackson Demonstration State Forest?

The trails in Jackson Demonstration State Forest wind through extensive redwood forests, featuring diverse singletrack and dirt roads. You'll encounter varied elevations, from 80 to 2,200 feet, providing a mix of challenges. The landscape includes coast redwood, Douglas-fir, and other native tree species, alongside rivers and streams.

Are there any loop mountain bike trails in the forest?

Yes, many trails in Jackson Demonstration State Forest are designed as loops. A popular option is the Mendo Primo loop, an 18.2-mile moderate route that winds through redwood forests with significant elevation gain. Another favorite is the Mendocino Woodlands Observatory Loop, a 15.6-mile moderate path offering varied terrain.

What natural attractions can I see along the mountain bike trails?

Jackson Demonstration State Forest is rich in natural beauty. You can explore majestic redwood forests, which are a primary draw. The Pygmy Forest offers unique ecological insights. Some trails may also lead you near rivers and streams, and the forest is home to diverse tree species like Douglas-fir, grand fir, and hemlock.

Are there any waterfalls in Jackson Demonstration State Forest?

Yes, the forest features the beautiful Chamberlain Creek Waterfall. The Waterfall Grove Trail leads to a reserve of virgin old-growth redwood graced by this 25-foot waterfall, offering a tranquil day-use area.

What do other mountain bikers enjoy most about riding in Jackson Demonstration State Forest?

The area is highly rated by the komoot community, with an average score of 4.8 stars from over 5 reviews. Riders often praise the extensive network of singletrack trails winding through the majestic redwood forests and the varied terrain that offers options for different skill levels.

Is Jackson Demonstration State Forest suitable for family mountain biking?

Yes, the forest offers trails suitable for various ability levels, including easier paths that can be enjoyed by families. The diverse network allows you to choose routes that match your family's experience and endurance. For example, the Hare Creek Trail is an easy option.

Are dogs allowed on the mountain bike trails in Jackson Demonstration State Forest?

Jackson Demonstration State Forest is generally dog-friendly, allowing dogs on trails as long as they are kept on a leash. It's always a good idea to check specific trail regulations or signage before heading out, but in general, your canine companion can join you.

When is the best time of year to go mountain biking in Jackson Demonstration State Forest?

The Mendocino Coast region generally offers mild weather, making mountain biking enjoyable for much of the year. While specific seasonal conditions can vary, the redwood forests provide shade, which can be pleasant during warmer months. It's advisable to check local weather conditions before your visit, especially during winter when some trails might be wetter.

Are there any historical or educational points of interest in the forest?

Yes, the Forest History Trail is a notable point of interest. This 3.71-mile self-guided trail delves into the ecology, history, and management of the redwood forest, featuring 47 informational stops. While primarily a hiking trail, parts of it connect to mountain biking routes and offer educational insights.

Where can I find parking for mountain biking in Jackson Demonstration State Forest?

Parking is generally available at various access points throughout Jackson Demonstration State Forest. While specific parking areas are not detailed in the guide, the forest is managed for public access, and you can typically find designated parking near trailheads. Digital maps are recommended for navigation and locating access points.

Most popular routes in Jackson Demonstration State Forest

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