Cedar Roughs Wilderness
The Cedar Roughs Wilderness, west of Lake Berryessa in Napa County, is a large mound of "serpentine" soil. Serpentine, California's official mineral, is a bluish-green (but sometimes reddish) rock that...
Description from Wilderness Connect (wilderness.net), where the full text continues.

| Designation | Wilderness |
| Managed by | Bureau of Land Management |
| State | California |
| Size | 6,287 acres (Wilderness Connect) |
| Designated | 2006, by Congress |
| Center point | 38.5754, -122.2990 |
| Night sky | About as dark as the ground gets (Black Marble reading 14) |
Boundary map
Boundary, simplified to about 0.005 degrees Federal campground
The outline is the agency boundary simplified for display, so small parcels and inholdings may not show. The agency page has the authoritative map.
Where to camp
No federal campground sits inside the boundary. 2 are within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.
Explore
Nearby on the other atlases
- 1.9 miMaxwell Creek Bridge on Hardin Road ↗Locoallomi, CA
- 3.1 miNichelini Winery ↗St. Helena, CA
- 7.5 miSwartz Creek Bridge on Aetna Springs Road ↗Aetna Springs, CA
- 8 miPope Street Bridge ↗St. Helena, CA
- 8.3 miHelios Ranch ↗St. Helena, CA
- 8.6 miAtkinson House ↗Rutherford, CA
- 8.7 mi
- 8.8 miSt. Helena High School ↗St. Helena, CA
Landmarks are listed first, then by distance from the boundary.
Reference
Questions people ask
How big is Cedar Roughs Wilderness?
6,287 acres.
Source: Wilderness Connect
Who manages Cedar Roughs Wilderness?
The Bureau of Land Management.
Source: Wilderness Connect
What state is Cedar Roughs Wilderness in?
California.
Source: Wilderness Connect
When was Cedar Roughs Wilderness designated?
Congress designated it in 2006.
Source: Wilderness Connect
Can I camp at Cedar Roughs Wilderness?
No federal campground sits inside the boundary. The nearest is Oak Shores Day Use Area, 0.9 miles out. 2 in all are within ten miles. Camping inside a wilderness is usually allowed away from roads, with no facilities; the managing agency page has the permit rules.
Source: Where to camp
How do I get to Cedar Roughs Wilderness?
A point inside the boundary is at 38.575, -122.299. The official page carries directions and the office address.
Source: Wilderness Connect
How dark is the night sky at Cedar Roughs Wilderness?
NASA’s Black Marble night-lights image reads 14 on a 0 to 255 scale at the center point, about as dark as the ground gets.
Source: NASA Black Marble
Are there historic places near Cedar Roughs Wilderness?
42 National Register listings within 15 miles, including Maxwell Creek Bridge on Hardin Road and Nichelini Winery.
Source: Register Atlas
Sources
- Boundary, name, acreage, designation year, states and description: Wilderness Connect.
- Campgrounds: the Campsite Atlas index of federal campgrounds, matched to this boundary at build time.
- Trailheads and sites: the Forest Service Recreation Opportunities layer, points inside the boundary.
- Night sky: NASA Black Marble (VIIRS, 2016 composite) sampled at zoom 6 around the center point.
- Weather, alerts, air quality, river flow and earthquakes load live in your browser from NWS, AirNow, USGS and iNaturalist when you open the page.