The Whitewater River Run below Private Land in Section 2 to NF Boundary in Idaho is a popular destination for whitewater enthusiasts. The ideal streamflow range for this section is between 1,000 and 5,000 cubic feet per second (cfs), depending on individual skill level and experience. This section is rated as Class III, with a few Class IV rapids and obstacles to navigate. The total segment mileage is approximately 8 miles, with a mix of calm stretches and turbulent rapids.

Some of the notable rapids and obstacles on this section include "The Chute," "Twisted Sister," and "Golf Course." "The Chute" is a Class IV rapid with a narrow chute that requires precise navigation. "Twisted Sister" is a Class III rapid with multiple routes through a rocky channel. "Golf Course" is a Class III rapid with large waves and a rocky bottom.

There are specific regulations for this area, including a permit requirement for commercial outfitters and a minimum age requirement of 12 for participants. Additionally, all participants must wear a properly fitting personal flotation device (PFD) and be able to swim.