Fish N Map Billy Chinook Lake / Lake Simtustus, OR - Lake Billy Chinook, formed in 1964 when the Round Butte Dam was constructed, is located in Oregon's The Cove Palisades State Park. Lake Billy Chinook has a surface area of 4,000 acres.Fish...
Fish N Map Billy Chinook Lake / Lake Simtustus, OR - Lake Billy Chinook, formed in 1964 when the Round Butte Dam was constructed, is located in Oregon's The Cove Palisades State Park. Lake Billy Chinook has a surface area of 4,000 acres.Fish...