Ice Age Flood Map

State Park Ice Age Flood Sites
Learn more about the parks that were former flood sites:
  • Beacon Rock
  • Bridgeport
  • Cape Disappointment
  • Centennial Trail
  • Columbia Hills
  • Columbia Plateau Trail
  • Daroga
  • Ginkgo Petrified Forest / Wanapum Recreational Area      
  • Lincoln Rock
  • Maryhill
  • Mount Spokane
  • Palouse Falls
  • Potholes
  • Riverside
  • Sacajawea
  • Spring Creek Hatchery
  • Steamboat Rock
  • Sun Lakes-Dry Falls
  • Wenatchee Confluence
  • Yakima Sportsman