Summersville Lake is the cleanest, clearest freshwater lake east of the Mississippi River according to Skin Diver magazine. It is an oligotrophic lake characterized by steep rocky cliffs that go to about 100 feet below the surface. Scuba divers see huge cliffs, boulders, overhangs, and rock walls. There are swim-throughs and aquatic life including bass, walleye, and catfish to enjoy. Summertime lake visibility is an average 20 to 45 feet depending upon rainfall. Call us for current conditions. The lake is over 300 feet deep at the base of Summersville Dam. Water temperature from June through September runs from 68 to 80+ degrees respectively. Area activities include scuba diving, snorkeling, swimming, whitewater rafting, fishing, rock climbing, horseback riding, golf, pontoon boat rentals and jon boat rentals. http://www.sarges.net/summersv.htm NOTE: All Voting is anonymous.