Mooselookmeguntic Lake is located in Franklin County and Oxford County, Maine, in the United States. It is part of the Androscoggin River watershed. Mooselookmeguntic Lake receives water from several sources. The Cupsuptic River flows into Cupsuptic Lake, which is directly connected with the northern part of Mooselookmeguntic Lake. The Rangeley River and Kennebago River both flow into northeastern Mooselookmeguntic Lake. The lake is just a few miles from the Appalachian Trail. Mooselookmeguntic Lake's maximum depth is 132 feet (40 m) and its surface area is 25.5 square miles (66 km2). It is the fourth largest lake in Maine. Mooselookmeguntic Lake's elevation is 1,467 feet (447 meters) above sea level.