Iowa's largest lake, Rathbunfeatures walleye, catfish and crappie. Weeds and wood provide the cover for largemouth and white bass. Fluctuating water levels challenge any angler. Featured Species: Walleye, Channel Catfish, Crappie andWhite Bass Map Features: Lake Profile Fishery Information Fishing Tips and Techniques 16Accesses with Driving Directions 40Proven Fishing Areas Marked