The Washougal River is a 33-mile tributary of the Columbia River in the U.S. state of Washington. Its headwaters and upper 21 miles are in Skamania County in the Gifford Pinchot National Forest, and its lower 12 miles are in Clark County. The river meets the Columbia near the cities of Washougal and Camas.
- Chum Salmon
- Coho Salmon
- Coastal Cutthroat Trout
Dougan Falls, 21 miles from the mouth, blocks most fish migration beyond the waterfall.