The Whitewater River run Confluence With Smith Creek To Confluence With Lewis River in the state of Washington is a popular destination for whitewater enthusiasts. The ideal streamflow range for this run is between 1000 and 3000 cubic feet per second (cfs). This range ensures a thrilling ride while still maintaining safety.

The class rating for this run is class III to IV, with some challenging rapids and obstacles. The segment mileage is around 10 miles, starting at the confluence with Smith Creek and ending at the confluence with the Lewis River.

Some of the notable rapids and obstacles on this run include the "Toilet Bowl" and "Headwall" rapids. The former is a swirling vortex that can be difficult to navigate, while the latter requires precise maneuvering through a narrow chute between rocks.

There are specific regulations to the area that must be followed, including the use of proper safety equipment such as helmets and life jackets. It is also important to respect private property and not litter or damage the surrounding environment.