The Fish River chain of lakes is a series of five lakes in the North Maine Woods region of northern Maine, in a tributary stream to the Fish River.

[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.

[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.