USFWS · Idaho, Oregon

Deer Flat National Wildlife Refuge

The Deer Flat National Wildlife Refuge is an important breeding area for mammals, birds, and other animals. The National Wildlife Refuge is located on land surrounding Lake Lowell, just outside Nampa, Idaho. It serves as a resting and wintering area for birds, including mallards and Canada geese, along the Pacific Flyway and was named a "Globally Important Bird Area" by the American Bird Conservancy.

From Wikipedia, licensed CC BY-SA 4.0.

National Wildlife Refuge11,576 acresUSFWSIDOR
Official page at U.S. Fish and Wildlife Service ↗
Deer Flat National Wildlife Refuge
Photo by User:Tdferro, licensed CC BY 3.0, from Wikimedia Commons.
2 fires
active
Rx Paradigm Fuel Breaks (prescribed burn) · 35 mi from the center
1 more within 50 miles
Incident details ↓

Facts

Where each comes from ↓
DesignationNational Wildlife Refuge
Managed byU.S. Fish and Wildlife Service
StatesIdaho, Oregon
Size11,576 acres
FWS regionRegion 1
Center point43.57° N, 116.69° W
Night skySome glow on the horizon (Black Marble reading 58)

Boundary map

11 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 Deer Flat National Wildlife Refuge30°40°50°60°70°80°January: 1.22 inches of precipitationFebruary: 0.99 inches of precipitationMarch: 1.10 inches of precipitationApril: 1.06 inches of precipitationMay: 1.15 inches of precipitationJune: 0.70 inches of precipitationJuly: 0.29 inches of precipitationAugust: 0.19 inches of precipitationSeptember: 0.37 inches of precipitationOctober: 0.75 inches of precipitationNovember: 1.07 inches of precipitationDecember: 1.11 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 32.2°F averageFebruary: 37.4°F averageMarch: 46.1°F averageApril: 51.4°F averageMay: 59.5°F averageJune: 66.5°F averageJuly: 74.6°F averageAugust: 73.1°F averageSeptember: 64.5°F averageOctober: 52.8°F averageNovember: 40.4°F averageDecember: 32.0°F average0 in0.5 in1 in1.5 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Deer Flat Dam, 3 miles from the center point at 2,510 feet, station USC00102444 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 10 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
  • Prescribed
    Rx Paradigm Fuel Breaks

    35 mi from the center point

  • Prescribed
    Rx Bosh Piles

    48 mi from the center point · 121 acres

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 Register listings within 15 miles · 105 in all · Register Atlas

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

Guidebooks for Idaho

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 Deer Flat National Wildlife Refuge?

11,576 acres.

Source: How acreage is computed

Who manages Deer Flat National Wildlife Refuge?

The U.S. Fish and Wildlife Service.

Source: U.S. Fish and Wildlife Service

What state is Deer Flat National Wildlife Refuge in?

The boundary crosses Idaho and Oregon.

Source: How states are assigned

How do I get to Deer Flat National Wildlife Refuge?

A point inside the boundary is at 43.569° N, 116.685° W. The official page carries directions and the office address.

Source: U.S. Fish and Wildlife Service

Is there a fire near Deer Flat National Wildlife Refuge right now?

2 active incidents within 50 miles as of 2026-11-01, the nearest Rx Paradigm Fuel Breaks at 35 miles. Distance is to the reported incident point, not the fire edge.

Source: Fire nearby

Are there historic places near Deer Flat National Wildlife Refuge?

The National Register has 105 listings within 15 miles, including Bernard's Ferry and Larsen, Archie, House.

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 (Q5250749), the item linked to its Wikipedia article. Author and license come from the file page on Wikimedia Commons.
  • Description: Deer Flat 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.