Salt Creek flows through the Cascade Mountains of Lane County, Oregon, originating in the high country near Willamette Pass and traveling approximately 32 miles before joining the Middle Fork Willamette River. The creek descends from elevations around 2,000 feet through dense coniferous forests and volcanic terrain characteristic of the western Cascades, carving a path through basaltic formations and creating one of the region's most impressive waterfalls along its course.

The primary paddling opportunity exists on the McCredie Hot Springs to Rigdon Road Bridge section, a challenging 7.2-mile Class III-IV run that demands intermediate to advanced whitewater skills. This stretch requires minimum flows around 100 cubic feet per second to avoid numerous shallow spots, though 150 cfs or higher provides better conditions. At higher flows approaching 850 cfs, the creek becomes significantly more technical, requiring experienced maneuvering past sweepers and through tight bends. The run features continuous boulder gardens, technical drops, and the notable Luggage Inspector rapid—a twisty sequence with wood hazards that exemplifies the creek's demanding character.

Spring runoff from March through May typically provides optimal water levels, though the creek can run during winter rain events. Summer flows drop considerably, making the creek largely unrunnable except during the wettest years. The watershed's position in the Cascades means it responds quickly to precipitation, and conditions can change rapidly.

The surrounding forest ecosystem supports Douglas-fir, western hemlock, and western red cedar, with understory vegetation including sword fern and Oregon grape. Wildlife includes black-tailed deer, black bears, and various bird species typical of Cascade forests. Cutthroat trout inhabit the creek, and winter steelhead use lower reaches during migration periods.

Salt Creek Falls, located near Highway 58, stands as Oregon's second-highest single-drop waterfall at 286 feet and serves as a major landmark. The falls area includes developed facilities with viewing platforms and trails. McCredie Hot Springs, near the upper put-in, draws visitors year-round to its natural thermal pools adjacent to the creek.

Oakridge, approximately 23 miles from the main paddling section, serves as the nearest significant town and provides services including lodging and supplies. The area lies within Willamette National Forest, requiring appropriate recreation passes for parking and access.

Paddlers must navigate significant wood hazards throughout the run, and the remote canyon setting limits rescue options. The technical nature of rapids, combined with cold water temperatures and limited eddies in some sections, makes this appropriate only for paddlers comfortable with Class IV whitewater. No multi-day paddling options exist given the creek's length and character, though the area supports extensive backcountry recreation opportunities.