Located in the rolling hills of the narrow North Fork of the
Solomon River valley in Southeastern
Ellis County. The Refuge lies in a transition zone between the tall grass prairies of the east and the short grass plains of the west.
Managed by the the U.S. Fish & Wildlife Service", Mountain-Prairie Region, and is part of a national network of lands and waters managed for the conservation and management of the fish, wildlife and plant resources and their habitats within the United States for the benefit of present and future generations of Americans.
Kirwin (NWR), consisting of 10,778 acres, supports diverse wildlife habitat including grasslands, wooded riparian zones, open water, wetlands, and croplands. The primary purpose of the Refuge is to provide nesting cover, food, and shelter for neotropic migrants, waterfowl, upland game birds, and mammals.