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.
Last updated: May 10, 2026
5.0
(1)
34
riders
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.
20
riders
25.1km
02:33
610m
610m
Experience moderate mountain biking on the 15.6-mile Mendocino Woodlands Observatory Loop, winding through stunning redwood forests.

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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.
13.0km
01:23
330m
330m
This moderate 8.0-mile mountain bike loop in Mendocino Headlands State Park offers diverse terrain and scenic views of the Big River estuary
5.0
(1)
26
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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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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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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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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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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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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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.


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