Tishomingo National Wildlife Refuge lies at the upper Washita Arm of Lake Texoma. It has 16,464 acres which include the 4,500 acre Cumberland pool and the 3,000 acres Tishomingo Wildlife Management Unit. The refuge offers a variety of habitats for wildlife such as 30 mammal species, 24 bird species, 65 reptile, and amphibian species, 62 fish species, and 67 butterfly species.
Located at the Northern end of Lake Texoma.