The Whitewater River Run Confluence of Morrow Creek and Third Water Creek to Confluence with Middle Fork Feather River in California is a popular destination for water sports enthusiasts. The ideal streamflow range for this run is between 500-1000 cfs. The segment mileage is around 7.5 miles and is rated as a Class III-IV river, making it suitable for intermediate to advanced paddlers.

There are several notable rapids and obstacles in the Whitewater River Run, including the infamous "Pit of Despair," a steep and narrow rapid that requires skill and precision to navigate. Other rapids include "Oneida," "Cherokee," and "Whirlpool." This run also presents several challenging drops, including "The Squeeze," a narrow chute that requires precise maneuvering.

Regulations for this area include a permit requirement for boating, as well as restrictions on camping and fires. The use of personal flotation devices (PFDs) is mandatory, and all boats must be equipped with a whistle and a spare paddle. Additionally, the use of drugs and alcohol is strictly prohibited.

In conclusion, the Whitewater River Run Confluence of Morrow Creek and Third Water Creek to Confluence with Middle Fork Feather River is an exciting and challenging destination for skilled paddlers. With its Class III-IV rating and notable rapids and obstacles, this run is not recommended for beginners. However, those looking for a thrill and a beautiful natural setting will find this run to be an unforgettable experience.