Clearwater River - Definition and Overview

For the river in New Zealand, see Clearwater River, New Zealand

For the river in Alberta, Canada, see Clearwater River, Alberta

For the river in Saskatchewan, Canada, see Clearwater River, Saskatchewan

The Clearwater River is a river in northern Idaho that flows from the Idaho-Montana border westward to join the Snake River at Lewiston. The Lewis and Clark Expedition went down this river.