The Whitewater River run in California's Marble Mountain Wilderness is a popular destination for whitewater enthusiasts. The ideal streamflow range for this run is between 1,000 and 1,500 cfs. This range can vary depending on the time of year and weather conditions. The class rating for this run is Class IV-V, indicating that it is suitable for experienced paddlers with advanced skills and knowledge.

The segment mileage for this run is approximately 10 miles, with several challenging rapids and obstacles along the way. Some of the notable rapids include the Entrance Exam, a Class V rapid with a steep drop and tight entrance; Pinball, a Class IV rapid with multiple rocks and obstacles; and The Maze, a Class V rapid with a complex series of drops and channels.

There are several regulations and restrictions in place for this area. All boaters must obtain a permit to access the river, and the number of permits issued is limited to help preserve the wilderness area. Additionally, all boaters must adhere to Leave No Trace principles and pack out all trash and waste. The use of motorized boats is prohibited, and camping is only allowed in designated areas.