The Whitewater River is a popular destination for rafting enthusiasts. The Headwaters to Middle of Sec 15, T39S, R4E segment is a Class III-IV run that covers approximately 7 miles. The ideal streamflow range for this segment is between 800 and 2,000 cubic feet per second (cfs), which typically occurs in the late spring and early summer months when snowmelt is at its peak.

Some of the specific rapids and obstacles on this segment include Shark's Tooth, a Class III rapid with a large rock in the center of the river, and Pinball, a Class IV rapid with multiple boulders and drops. The river also features several scenic waterfalls and gorges.

There are specific regulations in place for rafting on the Whitewater River. All boaters are required to wear a properly fitting personal flotation device (PFD) at all times while on the river. Additionally, all rafts must carry a spare paddle, a throw rope, and a first aid kit.

It is important for rafters to be aware of the potential hazards on this segment of the Whitewater River and to be properly prepared with the appropriate gear and experience. It is recommended that beginners and inexperienced rafters seek out a professional guide for this challenging run.