USFWS · Oregon

Three Arch Rocks National Wildlife Refuge

Three Arch Rocks National Wildlife Refuge is a U.S. National Wildlife Refuge off the northern Oregon Coast. It is located on the central coast of Tillamook County, in the northwestern part of Oregon. It is one of six National Wildlife Refuges within the Oregon Coast National Wildlife Refuge Complex and was the first National Wildlife Refuge west of the Mississippi River. In 1970 the Refuge was designated as wilderness. It is one of the smallest wilderness areas in the United States.

From Wikipedia, licensed CC BY-SA 4.0.

National Wildlife Refuge8.1 acresUSFWSOR
Official page at U.S. Fish and Wildlife Service ↗
Three Arch Rocks National Wildlife Refuge
Photo by U.S. Fish & Wildlife Service - Pacific Region's, licensed CC BY 2.0, from Wikimedia Commons.

Facts

Where each comes from ↓
DesignationNational Wildlife Refuge
Managed byU.S. Fish and Wildlife Service
StateOregon
Size8.1 acres
FWS regionRegion 1
Center point45.46° N, 123.99° W
Night skyAbout as dark as the ground gets (Black Marble reading 7)

Boundary map

6 outlines

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 Three Arch Rocks National Wildlife Refuge40°50°60°January: 13.38 inches of precipitationFebruary: 9.49 inches of precipitationMarch: 10.05 inches of precipitationApril: 7.48 inches of precipitationMay: 4.56 inches of precipitationJune: 3.28 inches of precipitationJuly: 0.92 inches of precipitationAugust: 1.20 inches of precipitationSeptember: 3.58 inches of precipitationOctober: 7.80 inches of precipitationNovember: 13.44 inches of precipitationDecember: 14.65 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 44.5°F averageFebruary: 44.7°F averageMarch: 46.0°F averageApril: 48.3°F averageMay: 52.4°F averageJune: 55.9°F averageJuly: 59.0°F averageAugust: 59.7°F averageSeptember: 57.6°F averageOctober: 52.6°F averageNovember: 47.2°F averageDecember: 43.5°F average0 in5 in10 in15 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Tillamook, 7 miles from the center point at 12 feet, station USC00358494 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 90 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.

Explore

Nearby on the other atlases

National Register listings within 15 miles · 5 in all · Register Atlas

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

Guidebooks for Oregon

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

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

Reference

Questions people ask

How big is Three Arch Rocks National Wildlife Refuge?

8.1 acres.

Source: How acreage is computed

Who manages Three Arch Rocks National Wildlife Refuge?

The U.S. Fish and Wildlife Service.

Source: U.S. Fish and Wildlife Service

What state is Three Arch Rocks National Wildlife Refuge in?

Oregon.

Source: How states are assigned

How do I get to Three Arch Rocks National Wildlife Refuge?

A point inside the boundary is at 45.464° N, 123.985° W. The official page carries directions and the office address.

Source: U.S. Fish and Wildlife Service

Are there historic places near Three Arch Rocks National Wildlife Refuge?

The National Register has 5 listings within 15 miles, including Cape Meares Lighthouse and Herschell--Spillman Noah's Ark Carousel.

Source: Register Atlas

Sources

  • Boundary, name: the U.S. Fish and Wildlife Service refuge boundary 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.
  • Photograph: the image Wikidata records for this refuge (Q2990890), the item linked to its Wikipedia article. Author and license come from the file page on Wikimedia Commons.
  • Description: Three Arch Rocks National Wildlife Refuge 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.