The whitewater river run from Alsop Lake and Norice Lake to the near trailhead in Utah has an ideal streamflow range of 300-1000 cfs. This class IV/V run consists of a 6-mile segment with challenging rapids and obstacles. The river rapids include The Notch, a narrow and technical rapid, as well as the infamous Nutcracker, which requires precise maneuvering to avoid getting pinned against the rocks. Other notable rapids include The Upper and Lower Falls.

It is important to note that this river run is only recommended for experienced paddlers due to its difficulty level. Additionally, it is essential to follow specific regulations in the area, such as obtaining the necessary permits and being aware of any seasonal restrictions. Visitors should also be mindful of the Leave No Trace principles to preserve the natural beauty of the area.

Overall, the Alsop Lake and Norice Lake to Near Trailhead river run offers a thrilling whitewater experience for experienced paddlers, with challenging rapids and stunning scenery. Paddlers should always check the current streamflow and weather conditions before embarking on this adventure.