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Routes
Mountain biking trails
United States
California
Mendocino County
Mendocino

Big River Haul Road

Moderate

3.4

(10)

79

riders

Big River Haul Road

02:11

25.2km

230m

Mountain biking

Explore the Big River Haul Road, a 15.7-mile mountain biking trail in Mendocino Headlands State Park with diverse scenery and terrain.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Mendocino Headlands State Park

Waypoints

A

Start point

Parking

Get Directions

1

325 m

Big River Beach

Highlight • Beach

Long and flat

Tip by

2

7.52 km

Big River

Highlight • 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 …

Tip by

3

14.4 km

Big River Road Junction

Highlight • Trail

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, …

Tip by

B

25.2 km

End point

Parking

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Way Types & Surfaces

Way Types

24.1 km

1.06 km

< 100 m

Surfaces

20.2 km

3.89 km

1.06 km

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (150 m)

Lowest point (0 m)

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Weather

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Today

Wednesday 20 May

21°C

7°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Big River Haul Road?

You can typically find parking near the entrance to the trail, often close to the mouth of the Big River where it meets the ocean. This area provides convenient access to the start of the haul road.

Is this trail suitable for beginners and families?

Yes, the initial miles of the Big River Haul Road are generally considered easy, with minimal elevation change, making it suitable for all skill levels, including beginners and families. However, be aware that the trail becomes significantly more challenging singletrack further in, beyond the 6-8 mile mark.

How long does it typically take to mountain bike this route?

The main route, as described, is about 25 km (15.5 miles) long and takes approximately 2 hours and 11 minutes to complete on a mountain bike. This duration can vary based on your pace and how far you venture into the more challenging sections.

What kind of terrain can I expect on the Big River Haul Road?

Initially, the trail is a dirt and gravel road, often doubletrack, following the Big River with very little elevation change. As you go further, particularly around 6 to 8 miles in, the terrain transitions to more technical singletrack, with some sections described as steep and narrow. It can also be prone to flooding after heavy rains.

What kind of scenery and points of interest can I expect along the way?

You'll enjoy picturesque views of the Big River Beach and the Big River estuary, which is a vibrant habitat for birds, seals, and otters. Further upstream, the trail winds through towering redwoods and Douglas firs, past historic dams, old railroad trestle pilings, and submerged old-growth timber. Interpretive panels along the way offer insights into the area's history and ecology.

Is the Big River Haul Road dog-friendly?

Yes, the trail is dog-friendly, making it a great option if you want to bring your canine companion along for the ride. Please ensure your dog is under control and follow any local leash regulations.

What is the best time of year to ride this trail?

The trail can be enjoyed year-round, but conditions vary. During or after heavy rains, portions of the trail may be prone to flooding. For the most comfortable experience, consider visiting during drier seasons. Be aware that habitat restoration projects may cause intermittent weekday closures.

Are there any permits or fees required to use the trail or enter Mendocino Headlands State Park?

The Big River Haul Road itself does not typically require specific permits or fees for access. As it connects to Mendocino Headlands State Park, standard state park regulations apply, but generally, there are no entrance fees for day use at this park.

Does the trail connect to other paths or parks?

Yes, the Big River Haul Road is a multi-use trail that connects Mendocino Headlands State Park with Mendocino Woodlands State Park. The route also passes through sections of the Big River Road, High Chutes Road, Pole Line Trail, Ames Lodge Trail, Old Haul Road, and Dry Dock.

Are there options for more advanced mountain biking on this route?

Absolutely. While the initial section is easy, the trail transforms into significantly more challenging singletrack beyond the 6-8 mile mark. These sections require more advanced riding skills, featuring steep, narrow, and technical terrain. Longer routes, such as the 30-mile 'Big River Big Loop,' incorporate these sections and are rated as intermediate with substantial elevation gains.

Is this a loop trail or an out-and-back?

The Big River Haul Road, as a primary path, functions as an out-and-back trail, allowing you to turn around at any point. However, it can be incorporated into longer loop routes by connecting with other trails in the area.

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