Mill Valley Campground
Open — Open year-round on a first-come, first-served basis. Water is OFF for the season; bring your own water. Off-season rate of $5 per night currently in effect. No trash services during winter; pack out all garbage. Access may be limited due to M10 Road construction.
Partial road closure 22N11 Road
A partial road closure is in place on the 22N11 Road in the Covelo Ranger District. Location of the closure is shown on the map. The closure is for public safety after a road failure in the area has made vehicle travel unsafe and at risk of collapse without warning under the weight of a vehicle.…
Chico Seed Orchard Public Use and Access Closure
Pets must be on a leash. Fall/winter hours are 7 a.m. - 5 p.m. beginning November 1 - February 29. Spring/summer hours are 7 a.m. - 7 p.m. beginning March 1 - October 31. A closure is in effect outside of these hours.
M10 Road Construction
The M10 road has an active construction zone to repair a major slide, located above Fouts Springs near Dixie Glade. Depending on construction progress, there can be periods where the road is impassable, has traffic control stops, or is passable in high clearance vehicles. Main impacts to access are…
Road conditions
Please be advised that forest roads are NOT plowed or maintained in winter so driving conditions are hazardous, slippery, and may be impassable. Even with good snow tires and four-wheel drive, less than a foot of snow is enough to get a vehicle stuck! Snow and ice can be expected at higher…
Developed campground stay limits
Developed campground camping stay limits are in effect across the Mendocino National Forest through October 12, 2027. Visitors may camp in the same developed recreation campground for 14 days within any 30-day period but no more than 28 cumulative days in any 12-month period.
Dispersed camping stay limits
Dispersed camping stay limits are in effect across the Mendocino National Forest through Oct.8, 2027. The stay limits apply to developed campgrounds and dispersed camping locations. Visitors may camp in the same location outside a one-mile radius of a developed recreation site for 14 days within…
Trail 34 on Upper Lake District closed due to unsafe conditions
OHV Trail 34 is closed due to trail tread degradation and rutting that runs 300 feet down the trail. The trail is unsafe due to unstable soil, extremely muddy conditions and increased runoff.
Cedar Camp Campground Closure
Cedar Camp Campground is closed for public safety. Closure is in effect through 6/18/26.
About
Mill Valley Campground sits at approximately 3,900 feet elevation in the Grindstone District of Mendocino National Forest, offering 15 campsites designed for OHV recreation. Located one mile north of Letts Lake and 17 miles west of Stonyford off Road 17N02, the campground features recently renovated facilities including new picnic tables, fire rings, and barrier systems. Each site can accommodate up to two vehicles and medium-sized trailers up to 24 feet. The campground serves as a hub for off-highway vehicle enthusiasts, with an OHV trail leading directly in and out of the campground and access to the extensive trail system in the Stonyford Recreation Area. The surrounding landscape features mixed coniferous forest with chaparral. The campground operates on a first-come, first-served basis year-round, with fees of $10 per night during the main season (May-September, Memorial Day to Labor Day) and $5 per night during the off-season. Facilities include vault toilets and picnic tables with fire rings at each site. Water is turned off for the winter season, so campers must bring their own. The campground now offers Scan & Pay technology for convenient payment via QR code at the kiosk. During the summer months, trash services are provided, but during winter, campers must pack out all garbage. Quiet hours are enforced from 10:00 p.m. to 6:00 a.m., with check-in at 2:00 p.m. and check-out at 11:00 a.m.
Directions
Located 17 miles west of Stonyford and one mile from Letts Lake off Road 17N02.
Nearby Campgrounds
Amenities
| Water | No |
| Fires Allowed | Yes |
| Toilets | Yes |
| Dump Station | No |
| Wifi | No |
| Pets Allowed | Yes |
| Showers | No |
| Electric Hookups | — |
| Water Hookups | — |
| Sewer Hookups | — |
| Camp Store | No |
| Price | $5 |
Vehicle
| Max RV Length | 24ft |
| Max Trailer Length | 24ft |
| Big Rig Friendly | No |
| Pull Through Sites | No |
Contact
| sm.fs.mendopao@usda.gov | |
| Phone | +1 (530) 963-3128 |
Cell Service
| AT&T | None |
| Verizon | None |
| T-Mobile | None |
Useful Links
| View on Recreation.gov |
Availability
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