USFWS · 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.

Official page at U.S. Fish and Wildlife Service ↗
Two Rivers National Wildlife Refuge
Photo by USFWSmidwest, in the public domain, from Wikimedia Commons.
DesignationNational Wildlife Refuge
Managed byU.S. Fish and Wildlife Service
StatesIllinois, Missouri
Size7,928 acres
FWS regionRegion 3
Center point39.00° N, 90.58° W
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.

Weather by month

NOAA climate normals →
Weather by month near Two Rivers National Wildlife Refuge30°40°50°60°70°80°January: 2.49 inches of precipitationFebruary: 1.89 inches of precipitationMarch: 3.08 inches of precipitationApril: 4.24 inches of precipitationMay: 4.60 inches of precipitationJune: 4.55 inches of precipitationJuly: 3.74 inches of precipitationAugust: 3.68 inches of precipitationSeptember: 2.97 inches of precipitationOctober: 2.66 inches of precipitationNovember: 3.15 inches of precipitationDecember: 2.35 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 30.8°F averageFebruary: 35.4°F averageMarch: 45.4°F averageApril: 56.7°F averageMay: 66.6°F averageJune: 75.4°F averageJuly: 78.6°F averageAugust: 76.9°F averageSeptember: 69.1°F averageOctober: 57.5°F averageNovember: 45.0°F averageDecember: 35.5°F average0 in1 in2 in3 in4 in5 inTemp °FInches
The line is the average temperature and the bars are average precipitation at St Charles Co AP, 10 miles from the center point at 436 feet, station USW00053904 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 39 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 · 87 in all · Register Atlas

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

Guidebooks for Illinois

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 Two Rivers National Wildlife Refuge?

7,928 acres.

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° N, 90.583° W. Gateway Arch National Park is 23 miles away. The official page carries directions and the office address.

Source: U.S. Fish and Wildlife Service

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?

The National Register has 87 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 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 (Q7859195), the item linked to its Wikipedia article. Author and license come from the file page on Wikimedia Commons.
  • 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.