USFWS · Louisiana

Breton National Wildlife Refuge

Breton National Wildlife Refuge is located in southeastern Louisiana in the offshore Breton Islands and Chandeleur Islands. It is located in the Gulf of Mexico and is accessible only by boat. The refuge was established in 1904 through executive order of President Theodore Roosevelt and is the second-oldest refuge in the National Wildlife Refuge System.

From Wikipedia, licensed CC BY-SA 4.0.

National Wildlife Refuge11,928 acresUSFWSLA
Official page at U.S. Fish and Wildlife Service ↗
Breton National Wildlife Refuge
Photo by Fish and Wildlife Service, in the public domain, from Wikimedia Commons.

Facts

Where each comes from ↓
DesignationNational Wildlife Refuge
Managed byU.S. Fish and Wildlife Service
StateLouisiana
Size11,928 acres
FWS regionRegion 4
Center point29.50° N, 89.17° W
Night skyAbout as dark as the ground gets (Black Marble reading 6)

Boundary map

17 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 Breton National Wildlife Refuge50°60°70°80°90°January: 4.45 inches of precipitationFebruary: 3.00 inches of precipitationMarch: 5.23 inches of precipitationApril: 4.29 inches of precipitationMay: 3.63 inches of precipitationJune: 4.60 inches of precipitationJuly: 6.38 inches of precipitationAugust: 7.22 inches of precipitationSeptember: 4.10 inches of precipitationOctober: 4.05 inches of precipitationNovember: 2.84 inches of precipitationDecember: 4.09 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 54.8°F averageFebruary: 57.6°F averageMarch: 62.6°F averageApril: 68.9°F averageMay: 76.0°F averageJune: 81.6°F averageJuly: 83.2°F averageAugust: 83.4°F averageSeptember: 81.0°F averageOctober: 73.4°F averageNovember: 64.0°F averageDecember: 57.7°F average0 in2 in4 in6 in8 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Boothville Asos, 18 miles from the center point at 3 feet, station USW00012884 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 54 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 · 2 in all · Register Atlas

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

Guidebooks for Louisiana and the South

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 Breton National Wildlife Refuge?

11,928 acres.

Source: How acreage is computed

Who manages Breton National Wildlife Refuge?

The U.S. Fish and Wildlife Service.

Source: U.S. Fish and Wildlife Service

What state is Breton National Wildlife Refuge in?

Louisiana.

Source: How states are assigned

How do I get to Breton National Wildlife Refuge?

A point inside the boundary is at 29.496° N, 89.172° W. The official page carries directions and the office address.

Source: U.S. Fish and Wildlife Service

Are there historic places near Breton National Wildlife Refuge?

The National Register has 2 listings within 15 miles, including Chandeleur Light and French Warehouse Site.

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 (Q4962035), the item linked to its Wikipedia article. Author and license come from the file page on Wikimedia Commons.
  • Description: Breton 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.