The Whitewater River Run is a thrilling experience for kayakers and white water enthusiasts in Washington. The ideal streamflow range for this river is between 500-2000 cfs, which makes for a fun and challenging ride. The class rating for this river is between III-IV with some rapids that are rated V. The entire river run includes all its tributaries to the confluence with West Fork Dosewallips River, and it covers a distance of approximately 15 miles.

There are specific rapids and obstacles that are worth mentioning in this river run. The most notable is the "Toilet Bowl," which is a V-rated rapid that is not recommended for beginners. Other notable rapids include "The Slot," "The Notch," and "The Pinch." These rapids are rated between III-IV and offer a fun and challenging experience for intermediate kayakers.

It is important to note that there are specific regulations that must be followed in this area. For example, the use of motorized watercraft is prohibited, and all kayakers must wear a Personal Flotation Device (PFD) at all times. Additionally, camping and fires are only permitted in designated areas, and visitors must obtain a permit before camping in the area.

In conclusion, the Whitewater River Run is a challenging and thrilling experience for kayakers and white water enthusiasts in Washington. With specific regulations and a variety of rapids and obstacles, this river run offers an exciting adventure for intermediate and advanced kayakers.