Hart Mountain National Antelope Refuge
Hart Mountain National Antelope Refuge is a National Wildlife Refuge on Hart Mountain in southeastern Oregon, which protects more than 422 square miles (1,090 km2) and more than 300 species of wildlife, including pronghorn, bighorn sheep, mule deer, sage grouse, and Great Basin redband trout. The refuge, created in 1936 as a range for remnant herds of pronghorn, spans habitats ranging from high desert to shallow playa lakes, and is among the largest wildlife habitats containing no domestic livestock.
From Wikipedia, licensed CC BY-SA 4.0.
| Designation | National Wildlife Refuge |
| Managed by | U.S. Fish and Wildlife Service |
| State | Oregon |
| Size | 278,536 acres (computed from the boundary polygon) |
| FWS region | Region 1 |
| Center point | 42.4987, -119.6100 |
| Night sky | Very dark ground, a faint glow at most (Black Marble reading 23) |
Boundary map
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
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
No federal campground sits inside the boundary. 2 are within ten miles of it. Nearest first. Distances are from the campground point to the boundary edge, from the Campsite Atlas index.
Most refuges do not allow overnight camping. The campgrounds listed are outside the refuge.
Fire nearby
- PrescribedCrooked Mud Honey Rx
31 mi from the center point
- WildfireJackass Butte
50 mi from the center point · 24,724 acres · 92% 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.
Explore
Nearby on the other atlases
- 3.9 miLake County Round Sale Barn ↗Lakeview, OR
- 4.4 mi
- 4.4 miPost and King Saloon ↗Lakeview, OR
- 4.4 miWatson, John N. and Cornelia, House ↗Lakeview, OR
- 4.5 miHeryford Brothers Building ↗Lakeview, OR
- 4.5 miBailey and Massingill Store ↗Lakeview, OR
- 4.5 mi
- 4.5 miHeryford, William P., House ↗Lakeview, OR
Landmarks are listed first, then by distance from the boundary.
Reference
Questions people ask
How big is Hart Mountain National Antelope Refuge?
278,536 acres, measured from the published boundary polygon. The agency’s own figure can differ where the boundary includes water or inholdings.
Source: How acreage is computed
Who manages Hart Mountain National Antelope Refuge?
The U.S. Fish and Wildlife Service.
Source: U.S. Fish and Wildlife Service
What state is Hart Mountain National Antelope Refuge in?
Oregon.
Source: How states are assigned
Can I camp at Hart Mountain National Antelope Refuge?
No federal campground sits inside the boundary. The nearest is Mud Creek Campground, 8.6 miles out. 2 in all are within ten miles. Most refuges do not allow camping inside the refuge, so the campgrounds listed are outside it.
Source: Where to camp
How do I get to Hart Mountain National Antelope Refuge?
A point inside the boundary is at 42.499, -119.610. The official page carries directions and the office address.
Source: U.S. Fish and Wildlife Service
Is there a fire near Hart Mountain National Antelope Refuge right now?
2 active incidents within 50 miles as of 2026-09-18, the nearest Crooked Mud Honey Rx at 31 miles. Distance is to the reported incident point, not the fire edge.
Source: Fire nearby
How dark is the night sky at Hart Mountain National Antelope Refuge?
NASA’s Black Marble night-lights image reads 23 on a 0 to 255 scale at the center point, very dark ground, a faint glow at most.
Source: NASA Black Marble
Are there historic places near Hart Mountain National Antelope Refuge?
8 National Register listings within 15 miles, including Lake County Round Sale Barn and Nevada-California-Oregon Railway Passenger Station.
Source: Register Atlas
Sources
- Boundary, name: the U.S. Fish and Wildlife Service refuge boundary layer.
- States: computed by intersecting the boundary with Census state polygons; a state is listed when it holds at least one percent of the area.
- Acreage: geodesic area of the published polygon. The agency’s official acreage can differ where the boundary includes water, easements or inholdings.
- Description: Hart Mountain National Antelope 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.