| Tsoo-Yess River | |
| Name Other: | c'u•yas |
| Map Size: | 300 |
| Pushpin Map: | USA Washington |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of the mouth of the Tsoo-Yess River in Washington |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Washington |
| Subdivision Type4: | County |
| Subdivision Name4: | Clallam |
| Length: | 14.5 miles |
| Source1: | Olympic Mountains |
| Source1 Coordinates: | 48.2272°N -124.4972°W |
| Mouth: | Pacific Ocean |
| Mouth Coordinates: | 48.3242°N -124.6575°W |
| Mouth Elevation: | 0ft |
The Tsoo-Yess River, sometimes called the Sooes River, is a stream on the Olympic Peninsula in the U.S. state of Washington. It originates in the northwestern Olympic Mountains and empties into the Pacific Ocean. [1] The Makah National Fish Hatchery is located approximately 2 miles upstream and raises a variety of salmonid species.
The Tsoo-Yess River originates in the northwestern portion of Olympic Peninsula and flows generally northwest. Its tributaries include Snag Creek, Shafter Creek, Pilchuck Creek, Thirty Cent Creek, Miller Creek, Grimes Creek, Tyler Creek, and Kallapa Creek. Its lower reach flows through the Makah Reservation. It empties into the Pacific at Tsoo-Yess Beach on Makah Bay, about a mile south of the mouth of the Waatch River.[1]