The Whitewater River run, Headwaters of Big Canyon to NF Boundary, is a popular destination for whitewater kayakers and rafters in New Mexico. The ideal streamflow range for this section of the river is between 300 and 800 cubic feet per second (cfs), which typically occurs during the spring runoff season.

This section of the river is rated as Class III-IV, with several challenging rapids and obstacles along the way. The segment mileage is approximately 9 miles, and it takes approximately 4-5 hours to complete the run.

Some of the specific rapids and obstacles on this section of the river include Big Canyon, Dolly Parton, and the Box. These rapids require skilled maneuvering and are not recommended for beginners.

There are specific regulations regarding the use of this section of the river. Currently, permits are required to access the Headwaters of Big Canyon, and there are restrictions on group size and camping along the river. It is important to check with local authorities for updated regulations and current conditions before planning a trip to this area.

In conclusion, the Whitewater River run, Headwaters of Big Canyon to NF Boundary, offers a challenging and exciting experience for experienced whitewater enthusiasts. With its ideal streamflow range, class rating, segment mileage, specific rapids and obstacles, and specific regulations, it is a must-visit destination for those looking for an adrenaline-pumping adventure in New Mexico.