USFWS · Illinois, Missouri

Great River National Wildlife Refuge

The Great River National Wildlife Refuge protects approximately 11,600 acres (47 km2) along 120 miles (190 km) of the Mississippi River, stretching north of St. Louis, Missouri. Three separate units are located in the floodplain, on both the Illinois and Missouri sides of the river.

From Wikipedia, licensed CC BY-SA 4.0.

National Wildlife Refuge11,823 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
Size11,823 acres
FWS regionRegion 3
Center point40.05° N, 91.47° W
Night skyVery dark ground, a faint glow at most (Black Marble reading 24)

Boundary map

8 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 Great River National Wildlife Refuge20°30°40°50°60°70°80°January: 1.56 inches of precipitationFebruary: 1.88 inches of precipitationMarch: 2.43 inches of precipitationApril: 4.06 inches of precipitationMay: 5.17 inches of precipitationJune: 4.60 inches of precipitationJuly: 4.23 inches of precipitationAugust: 4.11 inches of precipitationSeptember: 3.49 inches of precipitationOctober: 3.36 inches of precipitationNovember: 2.58 inches of precipitationDecember: 1.98 inches of precipitationJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 25.3°F averageFebruary: 29.5°F averageMarch: 40.4°F averageApril: 52.0°F averageMay: 62.5°F averageJune: 71.9°F averageJuly: 75.5°F averageAugust: 73.8°F averageSeptember: 66.4°F averageOctober: 54.5°F averageNovember: 41.6°F averageDecember: 30.7°F average0 in2 in4 in6 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Canton L&D 20, 7 miles from the center point at 490 feet, station USC00231275 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 Park System units within 30 miles · Park Atlas
National Historic Site · 17 mi
New Philadelphia National Historic Site
National Register listings within 15 miles · 79 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 Great River National Wildlife Refuge?

11,823 acres.

Source: How acreage is computed

Who manages Great River National Wildlife Refuge?

The U.S. Fish and Wildlife Service.

Source: U.S. Fish and Wildlife Service

What state is Great River National Wildlife Refuge in?

The boundary crosses Illinois and Missouri.

Source: How states are assigned

How do I get to Great River National Wildlife Refuge?

A point inside the boundary is at 40.050° N, 91.474° W. New Philadelphia National Historic Site is 17 miles away. The official page carries directions and the office address.

Source: U.S. Fish and Wildlife Service

Which national parks are near Great River National Wildlife Refuge?

New Philadelphia National Historic Site (17 mi). Park Atlas has fees, hours and alerts for each.

Source: Nearby on the other atlases

Are there historic places near Great River National Wildlife Refuge?

The National Register has 79 listings within 15 miles, including Geo. M. Verity and Clark, James Beauchamp, 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.
  • Description: Great River 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.