BLM · BLM national monument or conservation area · California

Santa Rosa-San Jacinto Mountains National Monument

The Santa Rosa and San Jacinto Mountains National Monument is a national monument in Southern California. It includes portions of the Santa Rosa and San Jacinto mountain ranges, the northernmost ones of the Peninsular Ranges system. The national monument covers portions of Riverside County, west of the Coachella Valley, approximately 100 miles (160 km) southeast of downtown Los Angeles.

From Wikipedia, licensed CC BY-SA 4.0.

National Monument279,535 acresBLMCA8 campgrounds within 10 mi
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Facts

Where each comes from ↓
DesignationNational Monument
Managed byBureau of Land Management
StateCalifornia
Size279,535 acres (computed from the boundary polygon)
National Conservation Lands idNLCS000314
Center point33.6338, -116.4388
Night skyVery dark ground, a faint glow at most (Black Marble reading 39)

Boundary map

1 outline

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

Campsite Atlas →

3 federal campgrounds sit inside the boundary and 5 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
Pinyon Flat Campground
Reservable4 sites
FS · Inside
Ribbonwood Equestrian Cg
Reservable9 sites
FS · 0.3 mi
Black Mountain (San Bernardino)
Reservable1 site
FS · 1.2 mi
Boulder Basin
Reservable37 sites
FS · 2 mi
Dark Canyon Campground
Reservable4 sites
FS · 2.5 mi
Marion Mountain
Reservable27 sites
FS · 2.9 mi
Fern Basin
Reservable23 sites

Explore

Nearby on the other atlases

National Park System units within 30 miles · Park Atlas
National Historic Trail · 28 mi
Juan Bautista de Anza National Historic Trail
National Park · 30 mi
Joshua Tree National Park
National Register listings within 15 miles · 38 in all · Register Atlas

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

Reference

Questions people ask

How big is Santa Rosa-San Jacinto Mountains National Monument?

279,535 acres, measured from the published boundary polygon. The agency’s own figure can differ where the boundary includes water or inholdings.

Source: How acreage is computed

Who manages Santa Rosa-San Jacinto Mountains National Monument?

The Bureau of Land Management.

Source: Bureau of Land Management

What state is Santa Rosa-San Jacinto Mountains National Monument in?

California.

Source: How states are assigned

Can I camp at Santa Rosa-San Jacinto Mountains National Monument?

3 federal campgrounds sit inside the boundary, including Pinyon Flat Campground, Pinyon Flat Campground and Ribbonwood Equestrian Cg. 8 in all are within ten miles. Rules vary by unit; the BLM page has the current camping rules.

Source: Where to camp

How do I get to Santa Rosa-San Jacinto Mountains National Monument?

A point inside the boundary is at 33.634, -116.439. Juan Bautista de Anza National Historic Trail is 28 miles away. The official page carries directions and the office address.

Source: Bureau of Land Management

How dark is the night sky at Santa Rosa-San Jacinto Mountains National Monument?

NASA’s Black Marble night-lights image reads 39 on a 0 to 255 scale at the center point, very dark ground, a faint glow at most.

Source: NASA Black Marble

Which national parks are near Santa Rosa-San Jacinto Mountains National Monument?

Juan Bautista de Anza National Historic Trail (28 mi) and Joshua Tree National Park (30 mi). Park Atlas has fees, hours and alerts for each.

Source: Nearby on the other atlases

Are there historic places near Santa Rosa-San Jacinto Mountains National Monument?

38 National Register listings within 15 miles, including Estudillo Mansion and Martinez Canyon Rockhouse.

Source: Register Atlas

Sources

  • Boundary, name: the BLM National Conservation Lands layer.
  • States: computed by intersecting the boundary with Census state polygons; a state is listed when it holds at least one percent of the area.
  • Acreage: geodesic area of the published polygon. The agency’s official acreage can differ where the boundary includes water, easements or inholdings.
  • Description: Santa Rosa and San Jacinto Mountains National Monument 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.
  • 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.