Grass Lake National Wildlife Refuge
Grass Lake National Wildlife Refuge is in the central section of the U.S. state of Montana and is an integral part of the Charles M. Russell National Wildlife Refuge Complex, managed from the Charles M. Russell National Wildlife Refuge. This refuge provides nesting habitat for migratory bird species.
From Wikipedia, licensed CC BY-SA 4.0.
| Designation | National Wildlife Refuge |
| Managed by | U.S. Fish and Wildlife Service |
| State | Montana |
| Size | 4,050 acres (computed from the boundary polygon) |
| FWS region | Region 6 |
| Center point | 45.9406, -109.1132 |
| Night sky | Very dark ground, a faint glow at most (Black Marble reading 26) |
Boundary map
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
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.
Reference
Questions people ask
How big is Grass Lake National Wildlife Refuge?
4,050 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 Grass Lake National Wildlife Refuge?
The U.S. Fish and Wildlife Service.
Source: U.S. Fish and Wildlife Service
What state is Grass Lake National Wildlife Refuge in?
Montana.
Source: How states are assigned
How do I get to Grass Lake National Wildlife Refuge?
A point inside the boundary is at 45.941, -109.113. The official page carries directions and the office address.
Source: U.S. Fish and Wildlife Service
How dark is the night sky at Grass Lake National Wildlife Refuge?
NASA’s Black Marble night-lights image reads 26 on a 0 to 255 scale at the center point, very dark ground, a faint glow at most.
Source: NASA Black Marble
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: Grass Lake 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.