Long Lake

Lake in North Dakota · 246 acres · near McLean County

Long Lake has 1 boat ramp listed as public.

Past algal blooms

Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2017 and 2020.

state reports compiled by U.S. EPA · checked October 18, 2026

Depth contours in feet from North Dakota Game and Fish (fieldwork 2023); deepest point about 7 ft. Lake levels and bottoms change; not for navigation.

Launches

Long Lake Boat Launch in McLean County · Boat ramp · near McLean County