4.8
(6)
197
riders
16
rides
Mountain biking around Little River offers routes through diverse landscapes, including dense redwood forests, coastal bluffs, and river valleys. The region is characterized by its proximity to the Pacific Ocean, providing a mix of terrain from shaded woodland paths to more open sections along waterways. Mountain bike trails with parking are often found near state parks and preserves, providing access to these varied environments.
Last updated: June 24, 2026
5.0
(1)
36
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.
21
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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4.0
(1)
10
riders
25.2km
02:11
230m
230m
Explore the Big River Haul Road, a 15.7-mile mountain biking trail in Mendocino Headlands State Park with diverse scenery and terrain.
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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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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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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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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There are over 15 mountain bike trails around Little River, offering a diverse range of experiences from moderate forest rides to more challenging routes. The region's trails are highly rated by the komoot community, with an average score of 4.8 stars.
Yes, Little River offers some easier mountain bike trails. For instance, the Big River Old Haul and Boiler Loop is a moderate 8-mile (12.9 km) route that provides a good introduction to the area's terrain without excessive difficulty, winding through the Big River valley.
Yes, for experienced riders seeking a challenge, Little River has several options. The Mendo Primo loop is a demanding 18.2-mile (29.2 km) trail with significant elevation gain, taking about 3 hours to complete through varied forest terrain.
The mountain bike trails in Little River vary in length, but many popular routes range from 8 to 18 miles (12 to 29 km). For example, the Mendocino Woodlands Observatory Loop is 15.6 miles (25.1 km), while the Big River Haul Road is 15.7 miles (25.2 km).
Yes, mountain bike trails in Little River often have parking available, especially near state parks and preserves. These areas serve as convenient access points to the diverse landscapes, including redwood forests and coastal bluffs.
The best time to mountain bike in Little River is generally during the spring and fall when the weather is mild and the trails are less likely to be muddy. Summer can also be pleasant, especially in the shaded redwood forests, though coastal fog can occur. Winters can bring rain, making some trails wet.
Yes, many of the mountain bike trails in Little River are designed as loops, allowing you to start and end at the same point. The Casper Little Lake Road 409 – Mendocino Headlands State Park loop is a great example, offering a 11.6-mile (18.6 km) circular route through varied scenery.
The trails often pass through diverse landscapes. You might encounter natural features like the Waterfall or the Pygmy Forest Discovery Trail. Coastal routes may offer views of the Pacific Ocean and landmarks such as the Point Cabrillo Light Station.
Absolutely. Beyond the trails, you can explore natural monuments like the Russian Gulch State Park 🌳 and historic bridge, or the unique Double-Natural Arch and Sinkhole - Mendocino Headlands Park. The region is rich in scenic coastal and forest attractions.
The area is highly rated by the komoot community, with an average score of 4.8 stars from over 5 reviews. Reviewers often praise the diverse landscapes, including the dense redwood forests and coastal bluffs, as well as the well-maintained trails that cater to various skill levels.
Dog policies vary by specific trail and park regulations. While some areas, particularly state parks, may have restrictions or require dogs to be on leash, many forest roads and less formal trails might be dog-friendly. It's always best to check the specific rules for the trail you plan to ride beforehand.
Many of the moderate trails in Little River, especially those on wider forest roads, can be suitable for families with older children or those comfortable with longer rides. The Big River area, with its relatively flat haul roads, often provides a more relaxed experience for family outings.


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