Beginner Off-Road Trails
Near Angwin, California

This trail has great views throughout with a spectacular view of Lake Berryessa at its highest elevation point. Expect to drive dirt, gravel and mud along the out and back trail. There are also many dispersed camping sites along the way. After 11.4 miles the trail does dead end on a private property...
Learn more about Cement Creek

This is an easy fire road in dry weather and a fun mud run in wet weather. The road doubles as the southern entrance to Knoxville, OHV, and Berryessa Snow Mountain National Monument. It then splits into access for Adams Ridge, Cement Creek, and Hunting Creek trails. While not very challenging, it do...
Learn more about Devilhead Road

The main connector between the north and south entrances of the Knoxville OHV area. Very active with power sports vehicles, as many marked and unmarked trails crisscross this trail. An easy trail with good views of the mountains, including. Mt. Saint Helena in Napa. It also passes by the only develo...
Learn more about Dunnigan Hill

Easy dirt trail with connections to the Berryessa Snow Mountain Monument area Trails with wildflower sights in Spring and the main road to The Wilbur Hot Springs. Beautiful scenery of the Bear Valley in Lake and Colusa Counties in Spring with Bear Creek passing next to the trail. Near the end of the...
Learn more about Bear Valley Road Trail

Walker Ridge Road is one of the main entrances to the Indian Valley Reservoir (CDFW) and the Walker Ridge Recreation Area (BLM). The road is gravel and accessible by most high-clearance vehicles. There are plenty of OHV and 4x4 trails off the main road. Walker Ridge Recreation Area allows all types ...
Learn more about Walker Ridge Road to Indian Valley Reservoir Road

This trail will take you to a wetland area where multiple springs emerge from the mountainside. There is a dispersed camping area at the end where it turns into some hiking trails that give an excellent view of the Indian Valley Reservoir. The trail is narrow but doable in any 4x4 vehicle.
Learn more about Cold Spring

Bartlett Springs Road begins southeast of Mendocino National Forest and boasts excellent views. This route passes through BLM land, and there are plenty of offshoots from the trail. There are also opportunities for camping, hiking, mountain biking, fishing, hunting, and recreational shooting. Cell s...
Learn more about Bartlett Springs Road

An easy scenic route over mountain ridges through South Cow Mountain OHV that connects lakeport to Ukiah. This is the main dirt road through cow mountain that has multiple harder trails off either side and has multiple campgrounds that are easily accessible by 2WDd vehicles. There are excellent view...
Learn more about Mendo-Lake Road

Narrow trail connecting Mendocino Scenic Corridor and Richardson Glade. More of a tighter two-track section with lots of off-camber and washes to navigate through. You will encounter tough vegetation in some sections and get some pinstripes. Goes through a burned area, so it might have fallen trees ...
Learn more about Wilblain - FS 16N18

This trail is a little less than 4 miles and leads to Letts Lake and campground. As the only lake in the lower half of Mendocino NF, it is worth visiting. There are four campsites around the lake; each has a handful of first come, first serve sites. You may also swim and fish in the lake.
Learn more about Letts Lake

This is more of a straightforward gravel fire road. It has most of the surrounding trails attached to it and is also the dirt way to Letts Lake and campgrounds. Some sections of the road are deteriorating, so be careful since they are on the shelf part of the trail.
Learn more about Letts Valley - FS 17N02

Out-and-back trail, big dispersed camp area at the end of the trail for multiple vehicles. There are a few spots to pass, and a dirt bike trail is towards the beginning. has a few ledges from erosion and some washes. Toward the end of the trail, before it descends into the camp spot, there is a good...
Learn more about Stony Slope - FS 17N89

This trail used to be longer, but erosion turned it into half just a dirt bike trail. This trial ends at a bit of a turn around that you could unload your bikes and hit the other trails from that point. It's also a connector to the Old Letts Trail. This trail is single vehicle wide, and there are a ...
Learn more about East Letts - FS 17N02k

Single wide trail but smooth. This trail connects the main Letts Valley trail to Mill Valley Campground. If you miss it, you'll have to go way around and take a difficulty 4/10 trail to get to the campground. This trail will be for people who don't have a capable vehicle to make it on the harder tra...
Learn more about Mill Valley Spur C - FS 17N02C

Single wide trail with one end being an out-and-back. The south end has dispersed campsites on the edge of the ridge, which are awesome but also very exposed. The trail has many washes and ditches, and will get narrow enough to cause pin stripes. The trail also goes through a burned area.
Learn more about Richardson Glade - FS 17N26

Mostly a wide fire road connecting the road to Potato Hill Trail. There are some small washes, and it narrows at a few sections to one vehicle wide. Good views from the top of the trail. Seasonal close and will close for wet weather. Had a few low-hanging trees and a tree down across the top of the...
Learn more about Sanborn - FS 17N63

This trail immediately starts climbing. Has many rolling water drainages and rocky sections. Start to get good views of the canyon as well. Crossing a road and continuing on the other side, it's easy to see and is marked. Good warm-up before going on the Potato Hill trail that gets pretty steep.
Learn more about Champagne - FS 17N79

This is the beginning of the Letts Ridge trail. Past this is only for dirtbikes and other smaller OHV machines. This trail will also take you to the Champagne trail wh8ch also connects to Potato Hill. At the end is a big area to unload to do the rest of the Letts Ridge trail. A lot of whoops-style b...
Learn more about Letts Ridge Trailhead Entrance

This trail takes you up to the Summit Springs trailhead. Gets steep in some sections, mixed with smaller washes. There is a section of the trail beginning to wash out, so use caution. Near the top of the trail, there are nice places to dispersed camp with big views of the canyon and places with tabl...
Learn more about Boundary Road - FS 17N06

This is a semi maintained fire road. From the South end starts out groomed and starts to get narrow on the shelf road. Some overgrown brush to get some pin stripes. There are multiple smaller washouts and one that you need to navigate carefully since the outside is sliding a bit.
Learn more about North Fork - FS 18N03

The main connector between the north and south entrances of the Knoxville OHV area. Very active with power sports vehicles, as many marked and unmarked trails crisscross this trail. An easy trail with good views of the mountains, including. Mt. Saint Helena in Napa. It also passes by the only develo...
Learn more about Dunnigan Hill

Easy dirt trail with connections to the Berryessa Snow Mountain Monument area Trails with wildflower sights in Spring and the main road to The Wilbur Hot Springs. Beautiful scenery of the Bear Valley in Lake and Colusa Counties in Spring with Bear Creek passing next to the trail. Near the end of the...
Learn more about Bear Valley Road Trail

Walker Ridge Road is one of the main entrances to the Indian Valley Reservoir (CDFW) and the Walker Ridge Recreation Area (BLM). The road is gravel and accessible by most high-clearance vehicles. There are plenty of OHV and 4x4 trails off the main road. Walker Ridge Recreation Area allows all types ...
Learn more about Walker Ridge Road to Indian Valley Reservoir Road

This trail will take you to a wetland area where multiple springs emerge from the mountainside. There is a dispersed camping area at the end where it turns into some hiking trails that give an excellent view of the Indian Valley Reservoir. The trail is narrow but doable in any 4x4 vehicle.
Learn more about Cold Spring

The main connector between the north and south entrances of the Knoxville OHV area. Very active with power sports vehicles, as many marked and unmarked trails crisscross this trail. An easy trail with good views of the mountains, including. Mt. Saint Helena in Napa. It also passes by the only develo...
Learn more about Dunnigan Hill

Easy dirt trail with connections to the Berryessa Snow Mountain Monument area Trails with wildflower sights in Spring and the main road to The Wilbur Hot Springs. Beautiful scenery of the Bear Valley in Lake and Colusa Counties in Spring with Bear Creek passing next to the trail. Near the end of the...
Learn more about Bear Valley Road Trail

Walker Ridge Road is one of the main entrances to the Indian Valley Reservoir (CDFW) and the Walker Ridge Recreation Area (BLM). The road is gravel and accessible by most high-clearance vehicles. There are plenty of OHV and 4x4 trails off the main road. Walker Ridge Recreation Area allows all types ...
Learn more about Walker Ridge Road to Indian Valley Reservoir Road

This trail will take you to a wetland area where multiple springs emerge from the mountainside. There is a dispersed camping area at the end where it turns into some hiking trails that give an excellent view of the Indian Valley Reservoir. The trail is narrow but doable in any 4x4 vehicle.
Learn more about Cold Spring