2.8
(24)
83
riders
03:04
29.2km
820m
Mountain biking
This moderate 18.2-mile mountain bike loop in Jackson Demonstration State Forest winds through redwood forests with 2700 feet of gain.
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Parking
Get Directions
9.42 km
Highlight (Segment) • Trail
Tip by
15.5 km
Highlight • Forest
Tip by
25.5 km
Highlight (Segment) • Trail
Tip by
29.2 km
End point
Parking
Way Types & Surfaces
Way Types
20.9 km
5.53 km
2.19 km
507 m
107 m
Surfaces
21.6 km
5.59 km
2.00 km
< 100 m
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Elevation
Highest point (280 m)
Lowest point (10 m)
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Weather
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Today
Saturday 4 July
18°C
8°C
0 %
Additional weather tips
Max wind speed: 10.0 km/h
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This route was planned by komoot.
The Mendo Primo loop is located within the Jackson Demonstration State Forest. While specific parking areas aren't detailed, you'll typically find access points and parking within the forest itself, often near trailheads that connect to the loop. It's advisable to check local forest maps or resources for the most convenient starting points.
The Mendo Primo loop is generally considered a moderate mountain biking route. It requires a good fitness level due to significant elevation changes and its 'pedaly' nature, meaning even downhill sections can have uphill portions. While not overly technical in all areas, it's best suited for intermediate riders rather than absolute beginners.
You can expect extensive singletrack trails winding through beautiful redwood forests. The terrain features twists, turns, dips, rises, and varying concentrations of tree roots. Some sections are described as flowy, while others, like 'Manley Gulch,' can become more technical at speed with blind turns and exposure. The route largely avoids fire roads, offering a more engaging experience.
The primary scenic highlight is the immersive experience of riding through stunning redwood forests. A notable stop is an old-growth redwood tree, which riders are encouraged to appreciate at the end of the Motorcycle Trail before the 'Big Tree' trail. You'll also pass through areas like Mendocino Woodlands State Park.
Yes, the loop incorporates many of the favored trails in the Jackson Demonstration State Forest. You'll ride sections of official trails such as Forest History Trail, Manly Gulch Trail, Parallel Action, Big Tree Trail, Woodlands Area Trail, Observatory Trail, Confusion, Cook House Trail, and Boiler, among others.
The Mendo Primo loop is approximately 29.2 km (18.1 miles) long. For mountain biking, it typically takes around 3 hours to complete, depending on your pace and how often you stop to enjoy the scenery.
While the Jackson Demonstration State Forest can be ridden year-round, the best time to mountain bike the Mendo Primo loop is generally during the drier seasons, typically spring through fall. This avoids the wettest winter months when trails can become muddy and more challenging. Always check local weather conditions before heading out.
Dogs are generally allowed in the Jackson Demonstration State Forest, but they must be kept on a leash. Always ensure your dog is well-behaved and that you clean up after them to preserve the natural environment for all users.
As of current information, there are no specific permits or entrance fees required to access and ride trails within the Jackson Demonstration State Forest, where the Mendo Primo loop is located. However, it's always a good idea to check the official Jackson Demonstration State Forest website for any updated regulations or requirements before your visit.
Absolutely! The loop is designed to include many popular trails. 'Confusion' is highly-rated for its blue difficulty alpine singletrack. 'Manley Gulch' offers flowy sections with some blind turns. The Topper Trail is also part of the experience. The route's strength lies in its variety, incorporating trails like 'Parallel Action,' 'Gas Cap,' 'Endo,' 'Oh No,' 'Boiler,' and 'Motorcycle,' each adding its own character to the ride.
Given its 'moderate' difficulty rating, significant elevation gain, and 'pedaly' nature, the Mendo Primo loop might be challenging for younger children or families new to mountain biking. It's better suited for families with experienced, fit riders. There may be other, shorter or less strenuous trails within the Jackson Demonstration State Forest that are more appropriate for beginners or younger kids.
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