Lake Monroe is a reservoir located about 10 miles (16 km) southeast of Bloomington, Indiana, United States. The lake is the largest wholly in Indiana with 10,750 acres (43.5 km²) of water surface area spread over the counties of Monroe and Brown. Capacity varies from 292 gigalitres (237,000 acre·ft) to 428 gigalitres (347,000 acre·ft) depending on water level. It is also home to 13,202 acres (53.43 km²) of protected forest and three recreational areas (Fairfax, Hardin Ridge, and Paynetown). Indiana's only federally protected U.S. Wilderness Area, the 13,000-acre (53 km²) Charles C. Deam Wilderness Area, is located on the south shore. The pool elevation (above sea level) is about 538 ft (164 m) year-round.