Cowanesque Lake
Reservoir in Pennsylvania · 1,057 acres · near Lawrence Township, Tompkins
Cowanesque Lake has 3 boat ramps listed as public.
Zebra mussels
Zebra mussels (latest report 2010) reported in this water (USGS Nonindigenous Aquatic Species database). Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
USGS Nonindigenous Aquatic Species database · checked October 18, 2026
Motors: No horsepower limit (as the agency lists it for 2 of the 3 launches; check the posted rules before you go)
Launches
- South Shore · Boat ramp · near Lawrence Township
- South Shore East Boat Ramp · Boat ramp · near Tompkins
- Tompkins Campground · Boat ramp · near Lawrence Township
Community
Where people who fish, boat and paddle Cowanesque Lake talk about it. Lake associations, clubs and local groups will be added as we find them.