Map of Cold Water Lake WA

Coldwater Lake is a barrier lake on the border of Cowlitz County and Skamania County, Washington in the United States. The lake was created during the 1980 eruption of Mount St. Helens, which blocked its natural outlet, Coldwater Creek, with volcanic debris. It is one of several lakes in the area that were created or otherwise enlarged by the eruption.
  • Location: Washington, U.S.
  • Primary inflows: Coldwater Creek · South Coldwater Creek
  • Primary outflows: Coldwater Creek
  • Catchment area: 16.55 sq mi (42.9 km²)
  • Basin countries: United States
  • First flooded: May 18, 1980
  • Max. length: 5 mi (8 km)
Data from: en.wikipedia.org