Department of Environmental Conservation

D E C banner

Cossayuna Lake

Physical Features:

Elevation: 481 feet
Area: 661 acres
Shoreline Length: 8.1 miles
Max Depth: 25 feet
County & Town: Washington County, Town of Argyle


Located off Route 40 at the Hamlet of South Argyle, east on County Route 49 to East Shore Road. This is a hard surface ramp with parking for 30 cars and trailers. This site is accessible for persons with disabilities.

For more information on this launch including Google Maps driving directions, visit the Boat Launch Sites for Washington County page.

Fish Species:

Man with largemouth bass from Cossayuna Lake
Largemouth bass from Cossayuna Lake

Tiger Muskellunge, Smallmouth Bass, Largemouth Bass, Black Crappie, Yellow Bullhead, Brown Bullhead, Rock Bass, Pumpkinseed, Bluegill, and Yellow Perch.


Cossayuna Lake offers a unique angling opportunity for tiger muskellunge within the county. The lake also supports robust populations of largemouth bass, bluegill, and yellow perch.

Ice Fishing:


Fishing Regulations:

Statewide Fishing Regulations Apply.

Fisheries Management:

Cossayuna Lake is stocked annually with tiger muskellunge.

  • PDF Help
  • For help with PDFs on this page, please call 518-897-1200.
  • Contact for this Page
    Region 5
    Route 86, P.O. Box 296
    Ray Brook, NY 12977-0220
    Send us an email
  • This Page Covers
  • Page applies to Region 5