Salmon River (Clackamas County, Oregon)

The Salmon River is a 33.5-mile (53.9 km) river in the Cascade Range in the U.S. state of Oregon that drains part of southwestern Mount Hood. The entire length of the river is a protected National Wild and Scenic River. Several portions are in protected wilderness. It is affluent to the Sandy River, a tributary of the Columbia River.

Source: Wikipedia https://en.wikipedia.org/wiki/Salmon_River_(Clackamas_County,_Oregon)