North Dakota /

Crown Butte Lake

Reservoir in North Dakota · 36 acres · near Morton County

Crown Butte 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): 2026.

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 28 ft. Lake levels and bottoms change; not for navigation.

Launches