Lakes Butte des Morts, Poygan and Winneconne are known as the "upriver” lakes of the vast Winnebago system. Annual spring runs of walleye and white bass are famousand attract thousands of anglers yearly. Fishery boasts nearly 20 species of gamefishand panfish!. Featured Species: Walleye, White Bass, Channel and Flathead Catfish Map Features: Lake Profile Fishery Information Fishing Tips and Techniques Over 110 Fishing Points of Interest with GPS 85 Marked Fishing Points 24 Access Locations 7 Referential GPS Waypoints All new FHS Cartography and Look