USFWS · National wildlife refuge · Illinois, Missouri

Two Rivers National Wildlife Refuge

The Two Rivers National Wildlife Refuge is located on the Illinois River and the Mississippi River in parts of Calhoun, Jersey, and Greene counties in Illinois, and St. Charles County, Missouri. It is managed by the U.S. Fish and Wildlife Service as part of the Mark Twain National Wildlife Refuge Complex.

From Wikipedia, licensed CC BY-SA 4.0.

National Wildlife Refuge7,928 acresUSFWSILMO
Official page at U.S. Fish and Wildlife Service ↗

Facts

Where each comes from ↓
DesignationNational Wildlife Refuge
Managed byU.S. Fish and Wildlife Service
StatesIllinois, Missouri
Size7,928 acres (computed from the boundary polygon)
FWS regionRegion 3
Center point39.0008, -90.5833
Night skyAbout as dark as the ground gets (Black Marble reading 15)

Boundary map

5 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.

Explore

Nearby on the other atlases

National Park System units within 30 miles · Park Atlas
National Park · 23 mi
Gateway Arch National Park
National Historic Site · 26 mi
Ulysses S Grant National Historic Site
National Register listings within 15 miles · 86 in all · Register Atlas

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

Reference

Questions people ask

How big is Two Rivers National Wildlife Refuge?

7,928 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 Two Rivers National Wildlife Refuge?

The U.S. Fish and Wildlife Service.

Source: U.S. Fish and Wildlife Service

What state is Two Rivers National Wildlife Refuge in?

The boundary crosses Illinois and Missouri.

Source: How states are assigned

How do I get to Two Rivers National Wildlife Refuge?

A point inside the boundary is at 39.001, -90.583. Gateway Arch National Park is 23 miles away. The official page carries directions and the office address.

Source: U.S. Fish and Wildlife Service

How dark is the night sky at Two Rivers National Wildlife Refuge?

NASA’s Black Marble night-lights image reads 15 on a 0 to 255 scale at the center point, about as dark as the ground gets.

Source: NASA Black Marble

Which national parks are near Two Rivers National Wildlife Refuge?

Gateway Arch National Park (23 mi) and Ulysses S Grant National Historic Site (26 mi). Park Atlas has fees, hours and alerts for each.

Source: Nearby on the other atlases

Are there historic places near Two Rivers National Wildlife Refuge?

86 National Register listings within 15 miles, including Trumbull, Lyman, House and Mason, Paris, Building.

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: Two Rivers 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.