Tewaukon, Lake Contact Tewaukon National Wildlife Refuge for recent information. All Features General Information Sportfish Available: Northern Pike, Walleye, Pure Muskellunge, Black Crappie, Channel Catfish, Acres: 1071.3, Shoreline Miles: 9, Max Depth: 9.5 Locate 45.997199, -97.352179 Tewaukon, Lake Open in MapsOpen in Maps