The Whitewater River Run Wilderness Boundary to Intake is a popular rafting and kayaking destination located in the state of California. The ideal streamflow range for this section of the river is between 200 and 500 cfs, with the best time to go being from May to June when the water levels are at their peak. This class III-IV section of the river covers a distance of approximately 9 miles and is known for its challenging rapids, including the Meatgrinder, Triple Threat, and S-turn.

In terms of regulations, all boaters must have a valid California Boater Card and wear a personal flotation device at all times while on the river. Additionally, camping is only allowed in designated areas and all trash must be packed out. The area is also subject to fire restrictions during certain times of the year.