Tewaukon National Wildlife Refuge is located in southeastern North Dakota along the western edge of the northern tallgrass prairie, about 5 miles (8.0 km) south of Cayuga, in Sargent County.

The Wild Rice River flows through the Refuge and then into Lake Tewaukon.

Established in 1945, the 8,363-acre (33.84 km2) Refuge is located in the Prairie Pothole Region, one of the most biologically productive areas on earth.

a. Tewaukon NWR website, https://www.fws.gov/refuge/tewaukon b. Tewaukon Wetlands Management District website, https://www.fws.gov/refuge/tewaukon-wetland-management-district/visit-us This article incorporates public domain material from websites or documents of the United States Fish and Wildlife Service.

This article related to a protected area in North Dakota is a stub.