Harrison Bay offers access to TVA's Chickamagua Lake, an impoundment of the Tennessee River. With over 35,000 acres of the lake accessible, there are many nearby islands and good fishing spots to explore. The park provides almost any type of fishing desired, whether by boat, bank, or the park’s accessible pier. Bass, bluegill, shell cracker, crappie, catfish, gar, and others are commonly caught. Valid TWRA Fishing License is required for ages 13 and older.