The Whitewater River Run Long Canyon to NF Boundary in New Mexico is a challenging section of river that is classified as a Class III-IV rapids. The ideal streamflow range for this section of river is between 300 and 600 cubic feet per second (cfs). If the water level is too low, it can be difficult to navigate through the numerous boulders and obstacles that are scattered throughout the riverbed. If the water is flowing too fast, it can be dangerous to attempt the run.

This section of river is approximately 14 miles long and features a number of challenging rapids and obstacles. Some of the most notable rapids include Carnage, Souse Hole, and Pinball. These rapids can be particularly difficult to navigate, especially if the water level is high. The run also features several long stretches of calm water, which provide an opportunity to rest and take in the stunning views of the surrounding canyon.

There are several regulations that must be followed when attempting this run. All participants must wear appropriate safety gear, including helmets and personal flotation devices. Additionally, all participants must be experienced in whitewater kayaking or rafting and must have the necessary skills to navigate Class III-IV rapids. Finally, all participants must obtain the necessary permits before attempting the run.

Overall, the Whitewater River Run Long Canyon to NF Boundary is a challenging and exciting section of river that is best tackled by experienced whitewater enthusiasts. With its stunning scenery and challenging rapids, it is a must-visit destination for anyone looking to test their skills on the water.