Dewey Lake is a 1,100-acre lake at Jenny Wiley State Resort Park extending 18 1/2 miles. There are 22 shoreline picnic areas available for public use, tables, grills, and two shoreline camping areas (boat access only). The marina offers 153 open slips, four launching ramps and pontoon boat rental. Enjoy a scenic getaway with lakeside lodging at the Jenny Wiley State Resort Park. Dewey Lake has many facilities for visitor recreation and pleasure: biking, boating, camping, fishing, hiking, hunting, picnicking, recreational vehicles, water sports, swimming, and wildlife viewing. Launch ramps for boating enthusiasts and fishermen are located at the marina, Goble Branch Boat Launch, Stratton Branch Boat Launch, Terry Boat Launch and German Campground. Nestled among the mountains, this lake is a favorite for catching largemouth bass, crappie and catfish.