Soos Creek is a creek located in King County, Washington, United States, which drains into the Green River which ends in the Puget Sound.

Big Soos originates from small ponds located in Cascade-Fairwood, while Little Soos originates from the Lake Youngs reservoir.

[2] A salmon hatchery is located on the creek near its mouth east of Auburn.

[3] Big Soos Creek is joined by the Soos Creek Trail, a paved recreational trail that is about 5.9 miles (9.5 km) long.

This article related to a river in the state of Washington is a stub.