| Tewaukon National Wildlife Refuge | |
|---|---|
IUCN category IV (habitat/species management area) | |
 Visitor Center | |
  Map of the United States | |
| Location | Sargent County, North Dakota, United States |
| Nearest city | Cayuga, North Dakota |
| Coordinates | 46°00′15″N 97°23′06″W / 46.00412°N 97.38509°W[1] |
| Area | 8,363 acres (33.84 km2) |
| Established | 1945 |
| Governing body | U.S. Fish and Wildlife Service |
| Website | Tewaukon National Wildlife Refuge |
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. It lies within the Tewaukon Wetland Management District.