Lake Ashtabula
Lake in North Dakota · 6,031 acres · near Cooperstown, Sibley, Valley City
Lake Ashtabula has 8 boat ramps listed as public.
North Dakota Game and Fish has found zebra mussels (found 2021) and curly-leaf pondweed (found 2016) in this water. Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
North Dakota Game and Fish · checked October 18, 2026
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2016 and 2026.
state reports compiled by U.S. EPA · checked October 18, 2026
Lake level: Lake Ashtabula
Today's level loads here; without it, see the agency's page below.
Full pool is 1,266.0 ft (USACE, Top of Conservation).
Level from U.S. Army Corps of Engineers, Corps Water Management System (Baldhill Dam at Lake Ashtabula), about hourly; the agency's page. Levels change; check conditions at the ramp before you launch.
Depth contours in feet from North Dakota Game and Fish (fieldwork 2020); deepest point about 42 ft. Lake levels and bottoms change; not for navigation.
Launches
- Ashtabula Crossing East Ramp · Boat ramp · near Barnes County
- Ashtabula Crossing West Ramp · Boat ramp · near Barnes County
- Eggerts Landing · Boat ramp · near Valley City
- Karnack Bridge · Boat ramp · near Cooperstown
- Mel Reiman Area · Boat ramp · near Valley City
- Old Hughway 26 Boat Ramp · Boat ramp · near Sibley
- Sibley Crossing · Boat ramp · near Sibley
- Sundstroms Landing · Boat ramp · near Valley City
Community
Where people who fish, boat and paddle Lake Ashtabula talk about it. Lake associations, clubs and local groups will be added as we find them.