The Nooksack Falls Diversion Dam to Nooksack Falls Power Plant on the Whitewater River in Washington is a popular run among kayakers and rafters. The ideal streamflow range for this run is between 800-1500 cfs, although it is possible to run the river at higher and lower flows. The section of the river is rated Class III-IV, which means it has moderate to difficult rapids and obstacles. The segment mileage for the run is approximately 4 miles, and it takes around 2-3 hours to complete.

Some of the notable rapids on this run include Boulder Drop, Picket Fence, and Carnage. Boulder Drop is a Class IV rapid that requires precise maneuvering to avoid rocks and navigate the tight channel. Picket Fence is a Class III rapid that features a series of large boulders and small drops. Carnage is a Class III+ rapid that has a steep drop and a large hole at the bottom.

There are specific regulations in place for this area, including a permit requirement for commercial outfitters, a limit of 20 people per group, and a requirement to wear a personal flotation device (PFD) at all times. Additionally, boaters are required to carry a first aid kit, a spare paddle, and a whistle. It is important to note that the area can be dangerous if proper precautions are not taken, and it is recommended that only experienced paddlers attempt this run.