BLM · California

Piedras Blancas Outstanding Natural Area

Outstanding Natural Area managed by the Bureau of Land Management in California.

BLM National Conservation Lands in this state ↗
DesignationOutstanding Natural Area
Managed byBureau of Land Management
StateCalifornia
Size30 acres
National Conservation Lands idNLCS000313
Center point35.67° N, 121.28° W
Night skyAbout as dark as the ground gets (Black Marble reading 10)

Boundary map

1 outline

Boundary, simplified to about 0.005 degrees

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 Piedras Blancas Outstanding Natural Area50°60°70°January: 5.96 inches of precipitationFebruary: 6.15 inches of precipitationMarch: 4.80 inches of precipitationApril: 2.00 inches of precipitationMay: 0.71 inches of precipitationJune: 0.06 inches of precipitationJuly: 0.08 inches of precipitationAugust: 0.01 inches of precipitationSeptember: 0.07 inches of precipitationOctober: 1.11 inches of precipitationNovember: 2.34 inches of precipitationDecember: 6.05 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 53.2°F averageFebruary: 52.4°F averageMarch: 54.6°F averageApril: 56.2°F averageMay: 60.5°F averageJune: 63.9°F averageJuly: 66.1°F averageAugust: 67.8°F averageSeptember: 69.1°F averageOctober: 65.1°F averageNovember: 58.0°F averageDecember: 52.4°F average0 in2 in4 in6 in8 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Hearst Castle, 7 miles from the center point at 1,526 feet, station USC00043882 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 29 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.

Fire nearby

Within 50 miles · as of 2026-11-01
  • Wildfire
    Timber

    45 mi from the center point · 25,350 acres · 97% contained

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.

Limited data for this unit

This unit has no description, no confirmed official page or nearby campgrounds in the sources this site reads. The boundary, size, agency and location above come from the agency layer.

The sources are read again every Sunday.

Explore

Nearby on the other atlases

National Register listings within 15 miles · 2 in all · Register Atlas

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

Guidebooks for California

We earn a small commission if you buy through these links. It does not change what we list.

  • Walkabout Northern California
    Tom Courtney, 2019
    Find at Bookshop.org
  • Backpacking California
    Wilderness Press, 2019
    Find at Bookshop.org
  • Coastal trails of Southern California
    Linda B. Mullally, 2018
    Find at Bookshop.org
  • Hiking northern California
    Bubba Suess, 2017
    Find at Bookshop.org
  • Hiking the Pacific Crest Trail: Southern California
    Shawnte Salabert, 2017
    Find at Bookshop.org

Titles come from Open Library's catalog, matched by subject heading or by title.

Reference

Questions people ask

How big is Piedras Blancas Outstanding Natural Area?

30 acres.

Source: How acreage is computed

Who manages Piedras Blancas Outstanding Natural Area?

The Bureau of Land Management.

Source: Bureau of Land Management

What state is Piedras Blancas Outstanding Natural Area in?

California.

Source: How states are assigned

How do I get to Piedras Blancas Outstanding Natural Area?

A point inside the boundary is at 35.666° N, 121.284° W. The official page carries directions and the office address.

Source: Bureau of Land Management

Is there a fire near Piedras Blancas Outstanding Natural Area right now?

1 active incident within 50 miles as of 2026-11-01, the nearest Timber at 45 miles. Distance is to the reported incident point, not the fire edge.

Source: Fire nearby

Are there historic places near Piedras Blancas Outstanding Natural Area?

The National Register has 2 listings within 15 miles, including Old Santa Rosa Catholic Church and Cemetery and Guthrie House.

Source: Register Atlas

Sources

  • Boundary, name: the BLM National Conservation Lands layer.
  • States and territories: computed by intersecting the boundary with Census state polygons and coarse outlines of the territories and outlying islands. A place is listed when it holds at least one percent of the area. A boundary that touches no outline is listed under the nearest one.
  • Acreage: geodesic area of the published polygon. The agency’s official acreage can differ where the boundary includes water, easements or inholdings.
  • 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.