[2] The lakes are an important northern Maine recreation area providing habitat for wildlife including rainbow smelt, brook trout, lake trout, and land-locked Atlantic salmon.

Long Lake extends southward from Saint Agatha into Maine township 17 ranges 3 and 4.

[2] Numerous residences and camps line the north shore of Mud Lake along Maine State Route 162.

From the outlet, the lake extends southward through the eastern part of the town of Eagle Lake and forms a "L" extending eastward through township 16, range 6, into township 16, range 5.

[12] The entire eastern arm of Eagle Lake is within the 23,000-acre (9,300 ha) reserve of public land available for ATV riding, birding, camping, cross-country skiing, fishing, hiking, hunting, snowmobiling, snowshoeing, and swimming.