The Whitewater River Run in Colorado is a popular destination for kayakers and rafters alike. The ideal streamflow range for this run is between 500 and 3,000 cubic feet per second (cfs). The river run is rated as Class III-IV, which means it has moderate to difficult rapids with waves up to four feet high and a moderate amount of obstacles. The segment mileage for this run is approximately 14 miles and takes around 5-7 hours to complete.

There are specific rapids and obstacles on the Whitewater River Run that are worth noting. One of the most notable features is the Black Canyon, which is a narrow, steep-walled canyon that offers stunning views. Other rapids include the Seidel's Suckhole, the Funnel, and the S.O.B. Rapid. These rapids are challenging and require skill and experience to navigate.

To ensure the safety of all visitors, there are specific regulations in place for the Whitewater River Run. All visitors are required to wear personal flotation devices (PFDs) at all times while on the river. There are also regulations in place regarding group size, camping, and littering. Visitors should be aware of these regulations and follow them to ensure the safety and preservation of the area.

In conclusion, the Whitewater River Run in Colorado offers a thrilling and challenging experience for experienced kayakers and rafters. With its ideal streamflow range, class rating, specific river rapids/obstacles, and regulations in place, visitors can enjoy this scenic river run while maintaining their safety and respecting the environment.