USFS · National forest · California

Shasta-Trinity National Forest

The Shasta–Trinity National Forest is a federally designated forest in northern California, United States. It is the largest National Forest in California and is managed by the U.S. Forest Service. The 3,454-square-mile (8,945.5-square-kilometer) forest encompasses five wilderness areas, hundreds of mountain lakes and 6,278 miles (10,103 km) of streams and rivers. Major features include Shasta Lake, the largest man-made lake in California and Mount Shasta, elevation 14,179 feet (4,322 m).

From Wikipedia, licensed CC BY-SA 4.0.

National Forest2.7 million acresUSFSCA103 campgrounds within 10 mi126 Forest Service sites
Official page at U.S. Forest Service ↗
1fire
active
White Rock Rx (prescribed burn) · 50 mi from the center
Interagency incident data as of 2026-09-17
Incident details ↓

Facts

Where each comes from ↓
DesignationNational Forest
Managed byU.S. Forest Service
StateCalifornia
Size2.7 million acres (Forest Service administrative boundary (gis_acres))
Forest Service code0514, region 05
Center point40.9212, -122.6499
Night skyAbout as dark as the ground gets (Black Marble reading 10)

Boundary map

1 outline

Boundary, simplified to about 0.005 degrees Federal campground Forest Service recreation site

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

Campsite Atlas →

75 federal campgrounds sit inside the boundary and 28 more are within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.

FS · Inside
Ackerman Campground
Reservable52 sites
FS · Inside
AhDiNa Campground
First-come16 sites
FS · Inside
Ahdina Campground
Reservable4 sites
FS · Inside
Algoma Campground
First-come8 sites
FS · Inside
Alpine View Campground
Reservable55 sites
FS · Inside
Antlers
Reservable60 sites
FS · Inside
Bailey Cove
Reservable9 sites
FS · Inside
Basin Gulch Campground
First-comeCA
Show 4 more

91 more within ten miles are not listed here.

Trailheads and sites

Forest Service directory · 126

The Forest Service lists 126 recreation sites in this forest, among them 62 campgrounds, 17 picnic areas, 16 boat launchs, 13 group camps. Each links to its page on fs.usda.gov, which carries the season, fees and current status.

Show all 60

The 60 closest to the center point are listed; 66 more are on the Forest Service site.

Distance is from the center point of the boundary, not from a road or town.

Fire nearby

Within 50 miles · as of 2026-09-17
  • Prescribed
    White Rock Rx

    50 mi from the center point

Distance is to the reported incident point, not the fire edge, and is measured from the center of a boundary that may be many miles across. Check the agency page for closures.

Explore

Nearby on the other atlases

National Park System units within 30 miles · Park Atlas
National Recreation Area · 8 mi
Whiskeytown National Recreation Area
National Monument · 14 mi
Lava Beds National Monument
National Monument · 26 mi
Tule Lake National Monument
National Register listings within 15 miles · 15 in all · Register Atlas

Landmarks are listed first, then by distance from the boundary.

Reference

Questions people ask

How big is Shasta-Trinity National Forest?

2.7 million acres.

Source: Forest Service boundary data

Who manages Shasta-Trinity National Forest?

The U.S. Forest Service.

Source: U.S. Forest Service

What state is Shasta-Trinity National Forest in?

California.

Source: How states are assigned

Can I camp at Shasta-Trinity National Forest?

75 federal campgrounds sit inside the boundary, including Ackerman Campground, AhDiNa Campground and Ahdina Campground. 103 in all are within ten miles. Dispersed camping is allowed on most national forest land outside developed sites; check the forest page for closures.

Source: Where to camp

Where are the trailheads in Shasta-Trinity National Forest?

The Forest Service lists 126 recreation sites here, including 62 campground campgrounds, 17 picnickings and 16 boating - motorizeds. Each one links to its Forest Service page.

Source: Trailheads and sites

How do I get to Shasta-Trinity National Forest?

A point inside the boundary is at 40.921, -122.650. Whiskeytown National Recreation Area is 8 miles away. The official page carries directions and the office address.

Source: U.S. Forest Service

Is there a fire near Shasta-Trinity National Forest right now?

1 active incident within 50 miles as of 2026-09-17, the nearest White Rock Rx at 50 miles. Distance is to the reported incident point, not the fire edge.

Source: Fire nearby

How dark is the night sky at Shasta-Trinity National Forest?

NASA’s Black Marble night-lights image reads 10 on a 0 to 255 scale at the center point, about as dark as the ground gets.

Source: NASA Black Marble

Which national parks are near Shasta-Trinity National Forest?

Whiskeytown National Recreation Area (8 mi), Lava Beds National Monument (14 mi) and Tule Lake National Monument (26 mi). Park Atlas has fees, hours and alerts for each.

Source: Nearby on the other atlases

Are there historic places near Shasta-Trinity National Forest?

15 National Register listings within 15 miles, including Bowerman Barn and Dunsmuir Historic Commercial District.

Source: Register Atlas

Sources

  • Boundary, name, acreage and code: the Forest Service Enterprise Data Warehouse.
  • States: computed by intersecting the boundary with Census state polygons; a state is listed when it holds at least one percent of the area.
  • Description: Shasta–Trinity National Forest on Wikipedia, CC BY-SA 4.0. The article was accepted because its title contains this unit’s name.
  • Campgrounds: the Campsite Atlas index of federal campgrounds, matched to this boundary at build time.
  • Trailheads and sites: the Forest Service Recreation Opportunities layer, matched by forest code.
  • 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.