USFS · California

Thousand Lakes Wilderness

There may not be a thousand lakes here, but the exaggeration is understandable given the area's seven major bodies of crystalline water and myriad smaller ponds. They are sprinkled throughout an area of...

Description from Wilderness Connect (wilderness.net), where the full text continues.

Official page at Wilderness Connect ↗
Thousand Lakes Wilderness
Photo from Wilderness Connect, wilderness.net
DesignationWilderness
Managed byU.S. Forest Service
StateCalifornia
Size16,526 acres (Wilderness Connect)
Designated1964, by Congress
Center point40.7005, -121.5873
Night skyAbout as dark as the ground gets (Black Marble reading 11)

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.

Weather by month

NOAA climate normals →
Weather by month near Thousand Lakes Wilderness30°40°50°60°70°January: 6.50 inches of precipitationFebruary: 5.51 inches of precipitationMarch: 6.43 inches of precipitationApril: 4.30 inches of precipitationMay: 2.90 inches of precipitationJune: 1.32 inches of precipitationJuly: 0.34 inches of precipitationAugust: 0.29 inches of precipitationSeptember: 0.65 inches of precipitationOctober: 2.70 inches of precipitationNovember: 4.68 inches of precipitationDecember: 6.49 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 31.5°F averageFebruary: 31.8°F averageMarch: 35.1°F averageApril: 38.8°F averageMay: 47.9°F averageJune: 55.3°F averageJuly: 62.6°F averageAugust: 61.6°F averageSeptember: 56.5°F averageOctober: 46.0°F averageNovember: 36.6°F averageDecember: 30.6°F average0 in2 in4 in6 in8 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Manzanita Lake, 11 miles from the center point at 5,750 feet, station USC00045311 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 42 inches a year.

Large units span more than one climate. The station stands in for the center point, and the outer parts of the boundary can be warmer or colder.

Where to camp

Campsite Atlas →

No federal campground sits inside the boundary. 8 are within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.

6 named Forest Service trails enter this wilderness, 17 miles in all.

TrailMiles
Cypress7.1
Tamarack4.4
Magee Lake4
Tamarack Magee Tie0.7
Lake Eiler0.4
Magee Peak0.2

Lengths and allowed uses come from the Forest Service trail layer by way of Trailhead Atlas, refreshed September 18, 2026. Trails in plain text have no page there yet.

Fire nearby

Within 50 miles · as of 2026-09-18
  • Prescribed
    Adin Airport Rx

    47 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 Register listings within 15 miles · 4 in all · Register Atlas

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

Reference

Questions people ask

How big is Thousand Lakes Wilderness?

16,526 acres.

Source: Wilderness Connect

Who manages Thousand Lakes Wilderness?

The U.S. Forest Service.

Source: Wilderness Connect

What state is Thousand Lakes Wilderness in?

California.

Source: Wilderness Connect

When was Thousand Lakes Wilderness designated?

Congress designated it in 1964.

Source: Wilderness Connect

Can I camp at Thousand Lakes Wilderness?

No federal campground sits inside the boundary. The nearest is Honn Campground, 3.3 miles out. 8 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 Thousand Lakes Wilderness?

A point inside the boundary is at 40.700, -121.587. Lassen Volcanic National Park is 14 miles away. The official page carries directions and the office address.

Source: Wilderness Connect

Is there a fire near Thousand Lakes Wilderness right now?

1 active incident within 50 miles as of 2026-09-18, the nearest Adin Airport Rx at 47 miles. Distance is to the reported incident point, not the fire edge.

Source: Fire nearby

How dark is the night sky at Thousand Lakes Wilderness?

NASA’s Black Marble night-lights image reads 11 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 Thousand Lakes Wilderness?

Lassen Volcanic National Park (14 mi). Park Atlas has fees, hours and alerts for each.

Source: Nearby on the other atlases

Are there historic places near Thousand Lakes Wilderness?

4 National Register listings within 15 miles, including Loomis Vistor Center, Bldg. 43 and Prospect Peak Fire Lookout.

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.
  • Trails: the Trailhead Atlas open-data file of Forest Service trails, matched on the wilderness each trail enters.
  • 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.