Salmon Creek, located in Washington state, is a popular whitewater river run for kayakers and rafters. The ideal streamflow range for this river is between 500-1,000 cfs, but it can be run at higher flows with experienced paddlers. The class rating for Salmon Creek is class IV-V, with technical rapids and obstacles such as boulder gardens, tight drops, steep chutes, and rock sieves. The segment mileage of Salmon Creek is approximately 4 miles and can take 2-3 hours to complete.

One of the biggest obstacles on the Salmon Creek run is the "The Slot," which is a technical and challenging rapid that requires precise navigation. Another challenging obstacle is "Pinball," which is a boulder garden with multiple channels and tight drops.

In terms of regulations, all paddlers must wear a personal flotation device and helmets are strongly recommended. The use of alcohol and drugs is strictly prohibited on the river. The access point for Salmon Creek is located on private property, so it is important for paddlers to obtain permission from the landowner before accessing the river.

Overall, Salmon Creek is a challenging and technical river run that requires experience and skill. Paddlers should always be aware of the current streamflow and weather conditions before attempting this run.