The Hoh River is located in the Olympic Peninsula in Washington, U.S.A. It rises in the Olympic Mountains within the Olympic National Park and drains into the Pacific Ocean. It is a glacial river fed by glaciers on Mount Olympus, such as the Blue Glacier. It is a "braided river" and its many channels flow across a wide area of gravel bars. At the mouth of the Hoh river is the Hoh Indian reservation.