The South Section of the Whitewater River run in Washington is a popular destination for kayakers, rafters, and other water sport enthusiasts. The ideal streamflow range for this section of the river is between 500 and 1500 cfs. This flow range offers a challenging yet manageable run for experienced kayakers and rafters.

The South Section of the Whitewater River run is rated as a class III to IV run, with segments ranging from 6 to 12 miles in length. The river features several challenging rapids and obstacles, including Class IV rapids like "The Notch," "Widow Maker," and "Pinball."

Specific regulations apply to this area of the Whitewater River run. For example, all boaters must wear a personal flotation device (PFD) at all times while on the river. Additionally, camping is only allowed at designated sites along the river, and fires are prohibited. Boaters should also be aware of any restrictions or closures due to seasonal conditions or environmental concerns.

Overall, the South Section of the Whitewater River run is a thrilling and challenging experience for experienced kayakers and rafters. However, it's important to be aware of the specific regulations and safety measures in place to ensure a safe and enjoyable trip.