Beginner Off-Road Trails Near San Geronimo, 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…
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…
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…
Learn more about Dunnigan Hill

Juniper Trail is one of the park's primary connector routes, linking riders to the broader trail network. The trail features mostly smooth hardpack dirt with a mix of winding turns, climbs, and descents that make…
Learn more about Juniper Trail

The Los Osos Trail is one of the park's main connector routes, providing access to many of the surrounding trails and trail networks. The trail consists mostly of smooth, well-groomed hardpack dirt and offers an…
Learn more about Los Osos Trail

Badger Trail runs parallel to Ridge Trail, following the same hillside at a lower elevation. The route consists of firm hardpack dirt and a series of winding turns that contour along the slope. Technical obstacles…
Learn more about Badger

Juniper Trail is one of the park's primary connector routes, linking riders to the broader trail network. The trail features mostly smooth hardpack dirt with a mix of winding turns, climbs, and descents that make…
Learn more about Red Trail

Kiln Trail is one of the primary entrances to the park. The route begins as a mellow hardpack dirt road leading to the park boundary, where signs outline park regulations and warn visitors about mountain…
Learn more about Kiln 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…
Learn more about Walker Ridge Road to Indian Valley Reservoir Road

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…
Learn more about Bear Valley Road Trail

Graded dirt road connecting Highway 1 to Highway 128. Pavement is on both ends. A great dirt road with a flowy climb up from the coast to follow the ridge inland. Beautiful views and usually…
Learn more about Fish Rock 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…
Learn more about Cold Spring

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…
Learn more about Mendo-Lake Road

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,…
Learn more about Bartlett Springs Road

Flowy dirt road that climbs through grassy oak woodlands before entering the redwood forests of the California Coast. Quiet road with minimal obstacles. Currently, there is a bridge on the route that is closed to…
Learn more about Low Gap 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…
Learn more about Wilblain - FS 16N18

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…
Learn more about Stony Slope - FS 17N89

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…
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…
Learn more about Letts Valley - FS 17N02

The trail connects Elk Mountain Road to Deer Valley Campground. 1 to 2 vehicles wide as you go along. The trail is more like a fire service road, well-maintained with minimal washouts. Mostly stay in…
Learn more about Pilot Grove - FS 16N01

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…
Learn more about East Letts - FS 17N02k

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,…
Learn more about Richardson Glade - FS 17N26

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…
Learn more about Mill Valley Spur C - FS 17N02C

This is the main route taking you from Elk Mountain Road to the Bear Creek Crossing that meets Long Ridge - FS 17N16 and Fouts-Bear Creek Rd. It does route through private properties, but it…
Learn more about Bear Creek Road M10

This is an out-and-back two-track style trail that goes along Bear Creek primitive campground and climbs up towards Potato Hill on some shelf roads. Unfortunately, the trail goes to a small corner of private property…
Learn more about Potato Hill - FS 17N33

This trail connects Horse Mountain to A road. Tight trail with some overgrown vegetation that will cause some pinstripes. There are small washes, but if they're full of water, watch out, they could be deeper…
Learn more about Horse Mountain South Connector - FS 17N27B

This trail takes you right up the mountain to the peak of Horse Mountain. The first (top) is ideal for dispersed camping and awesome views into the canyon and Clear Lake below. There is another…
Learn more about Horse Mountain Peak - FS 17N85

This trail is mainly a fire road, but it will get pretty narrow in sections. Multiple areas of being a shelf road and steep grades. Goes up and down two ridges, offering awesome views, and…
Learn more about Mc Creary Glade - FS 17N99

This trail begins at the end of the Fouts-Bear Creek paved road that comes from the Fouts Springs Camp Grounds and takes you to the Long Ridge and Bear Creek split. There is a campground…
Learn more about Fouts-Bear Creek Road M10

This trail goes around the north ridge of Horse Mountain and is mainly one vehicle wide. Multiple small washes, but easy to navigate around or over. There are multiple Dispersed camp areas along the trail;…
Learn more about Horse Mountain - FS 17N27