The Trapper Creek Wilderness is a designated wilderness consisting of  in the Gifford Pinchot National Forest in southern Washington. The wilderness covers nearly the entire Trapper Creek drainage and is the only pristine anadromous fish habitat in the Wind River watershed.
The Trapper Creek Wilderness, located within the Gifford Pinchot National Forest in Washington's south, encompasses nearly all of the Trapper Creek drainage and serves as the only untouched area for anadromous fish in the Wind River watershed.