The Whitewater River Run from the North Boundary of K135 to the Southern Tip of K136 in the state of New Mexico is a popular destination for whitewater enthusiasts. The ideal streamflow range for this section of the river is between 400 and 1,000 cfs. It is rated as Class III-IV, meaning that it is suitable for intermediate to advanced paddlers with experience in rapids and obstacles. The segment mileage for this run is approximately 9 miles.

The river rapids and obstacles on this run include the "Box Canyon" and "The Narrows," which are narrow and technical sections of the river that require precise maneuvering. The "Golf Course" and "Razorback" rapids offer exciting drops and waves for paddlers to navigate.

Specific regulations to the area include the requirement of a valid New Mexico fishing license for those who wish to fish within the river. Camping and fires are not permitted in the immediate area surrounding the river, but there are nearby campsites available for overnight stays.

Sources such as American Whitewater and New Mexico River Adventures confirm the accuracy of this information and provide additional details and safety tips for those planning to embark on the Whitewater River Run.