5.0
(1)
17
riders
4
rides
Gravel biking in Jackson Demonstration State Forest offers an extensive network of no traffic gravel bike trails across nearly 50,000 acres of diverse landscape. This region, California's largest state-owned forest, is characterized by magnificent coast redwoods, Douglas-fir trees, and numerous rivers and creeks. The trails predominantly follow old logging roads, providing relatively flat and scenic rides through densely forested areas, with some sections linking to adjacent public lands and offering coastal views.
Last updated: May 9, 2026
1
riders
21.8km
01:53
290m
290m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
6
riders
30.2km
02:04
460m
460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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8
riders
39.5km
02:56
440m
440m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
48.4km
03:56
880m
880m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Jackson Demonstration State Forest
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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If you're coming from Big River Beach, take a left to stay on Big River Road, which will eventually lead you to High Chutes Road and Old Haul Road. Alternatively, go right to follow the road along the river, which will take you to a bridge crossing Big River and, eventually, the Big River Lagoon. If you're approaching from High Chutes Road or Old Haul Road, simply go straight to continue your journey to Big River Beach.
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Dramatic vista down along the steep bluffs to the cove with a natural sandy beach.
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Amazing coastal state park, stretching from the ocean headlands deep into the dense evergreen forests along a creek that has cut a deep canyon.
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Jackson Demonstration State Forest offers a selection of 3 dedicated no-traffic gravel bike trails. These routes vary in difficulty, providing options for different skill levels.
While the guide features routes primarily of moderate to difficult grades, many of the forest's old logging roads are relatively flat and scenic, making them suitable for gravel bikes. For a moderate option, consider the Big River – Big River Trail loop from Big River, which offers a good introduction to the area's terrain.
The no-traffic gravel bike trails in Jackson Demonstration State Forest offer access to diverse natural beauty. You can explore magnificent coast redwoods and Douglas-fir trees, and unique features like the Pygmy Forest. Some trails also provide scenic views of the Big River and connect to areas like Mendocino Headlands State Park, offering coastal vistas.
Jackson Demonstration State Forest is generally dog-friendly, allowing leashed dogs on its trails. Always ensure your dog is under control and follow any specific signage or regulations posted within the forest to ensure a pleasant experience for everyone.
Gravel biking in Jackson Demonstration State Forest is enjoyable for much of the year. Spring and fall offer pleasant temperatures and vibrant scenery. Summer can be warm but the dense forest provides shade. Winter can bring rain, making some trails muddy, but the redwoods are beautiful in the mist. Always check local weather conditions before heading out.
Yes, the guide includes loop routes for a comprehensive experience. For example, the Big River – Big River Trail loop from Big River and the Caspar – Caspar Creek Canyon loop from Jug Handle State Natural Reserve are excellent options for circular rides.
Parking is typically available at various access points around Jackson Demonstration State Forest. For routes like the Big River – Big River Trail loop, you can often find parking near the Big River access points. For the Caspar – Caspar Creek Canyon loop, parking is available near Jug Handle State Natural Reserve. Always check specific route details for recommended starting points and parking information.
Yes, the forest is home to beautiful waterfalls. The delightful Chamberlain Creek Waterfall is a notable feature, and visitors can enjoy its spray on trails like the Chamberlain Creek Trail, which can be connected to via the forest's extensive network of gravel roads.
The 'no-traffic' designation for these gravel bike trails refers to routes that primarily utilize dedicated multi-use paths, old logging roads, or forest service roads where motorized vehicle access is restricted or very limited. This ensures a quieter, safer, and more immersive cycling experience away from busy public roads.
Yes, the Jackson Demonstration State Forest is conveniently located near the towns of Fort Bragg and Mendocino, both offering a variety of cafes, restaurants, and pubs. You can find options for refreshments and meals in these nearby communities after your ride. For more information on local establishments, you might consult resources like Visit Mendocino or Visit Fort Bragg CA.
Given the varied terrain, which can include both smooth dirt roads and some rougher sections with roots and rocks, wider tires (around 40-45mm) with lower pressure are generally advisable for gravel cyclists in Jackson Demonstration State Forest. This provides better comfort and traction.


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