The Palm Canyon section of the Whitewater River in California is a popular destination for kayakers and rafters. The ideal streamflow range for this section is between 200-600 cubic feet per second (cfs), with higher flows creating significantly more challenging rapids. This section of the Whitewater River is rated as Class III, with a distance of approximately 10 miles.

One of the most notable rapids in this section is "Ledge Drop," which is a steep drop with a large boulder in the middle of the channel. Other notable rapids include "Little San Bernardino" and "Pinball." There are also several smaller rapids and obstacles throughout the run.

It is important for visitors to note that the Palm Canyon section of the Whitewater River is located within the San Bernardino National Forest and is subject to specific regulations. Visitors must obtain a permit from the forest service before accessing the river, and all visitors must follow Leave No Trace principles to preserve the natural environment. Additionally, visitors should be aware of potential hazards from flash floods and sudden rises in water levels.

Overall, the Palm Canyon section of the Whitewater River offers an exhilarating whitewater experience for intermediate paddlers and is a must-visit destination for those looking for a challenging and scenic river run in California.