The Queets River is a river in the U.S. state of Washington. It is located on the Olympic Peninsula, mostly within the Olympic National Park and empties into the Pacific Ocean. The Queets River is 52.8 miles long. Its drainage basin is 204 square miles in area. Its main tributaries include the Clearwater River, Salmon River, Sams River, Matheny Creek, and Ts…The Queets River is a river in the U.S. state of Washington. It is located on the Olympic Peninsula, mostly within the Olympic National Park and empties into the Pacific Ocean. The Queets River is 52.8 miles long. Its drainage basin is 204 square miles in area. Its main tributaries include the Clearwater River, Salmon River, Sams River, Matheny Creek, and Tshetshy Creek, as well as the Clearwater's main tributaries, the Snahapish River and Solleks River.