The Whitewater River Run from Headwaters to Bear Gulch in California is a popular destination for whitewater enthusiasts. The ideal streamflow range for this section of river is between 300 and 600 cubic feet per second (cfs). It is rated as a Class III-IV run, with some sections bordering on Class V. The segment spans a distance of approximately 10 miles.

Some of the specific rapids and obstacles that paddlers can expect to encounter on this section of the river include the "Frog Rock" rapid, "Vortex," "Boulder Choke," and "The Narrows." Paddlers should also be prepared for steep drops, tight chutes, and potentially hazardous undercuts.

There are specific regulations in place for the Whitewater River Run from Headwaters to Bear Gulch. Paddlers are required to wear personal flotation devices at all times while on the river, and kayakers and canoeists must wear helmets. Additionally, camping and fires are prohibited along the riverbanks, and all trash must be carried out.