The Whitewater River Run Colorado River Segment 4 in Utah is a popular destination for whitewater rafting enthusiasts. The ideal streamflow range for this segment is between 1,500 and 6,000 cubic feet per second (cfs), which typically occurs in late May through early July. The river is rated as a Class III-IV, which means it has moderate to difficult rapids with obstacles such as rocks and drops.

The segment covers a distance of approximately 44 miles, starting from the Westwater Ranger Station and ending at the Cisco Landing. Some of the notable rapids in this section include Skull Rapid, Sock-It-To-Me, Bowling Alley, and Little D.

There are specific regulations in place for this area, including mandatory life jacket use for all participants and no alcohol consumption while on the river. Additionally, there are designated campsites along the river that require permits for overnight stays.