The Whitewater River Run Headwaters to Red John Box is a renowned river run in the state of New Mexico. The ideal streamflow range for this river run is between 200 and 800 cubic feet per second (cfs), which ensures a challenging yet safe experience for rafters. The river has been rated as Class III-IV, making it suitable for intermediate to advanced rafters.

The segment mileage for this river run is approximately 16 miles, starting at the headwaters and ending at the Red John Box. The most significant rapid on this stretch of the river is the Red Box Rapid, which is rated Class IV. It is essential to note that the river rapids and obstacles can change depending on streamflow and weather conditions.

Regulations for this area require all boaters to obtain a permit from the Bureau of Land Management. The permit is free of charge and helps regulate the number of people on the river to ensure safety and minimal environmental impact. Additionally, all boaters are required to have personal flotation devices and helmets.

In conclusion, the Whitewater River Run Headwaters to Red John Box is an exciting and challenging river run in New Mexico. It is essential to consider the ideal streamflow range, class rating, segment mileage, specific river rapids/obstacles, and specific regulations before embarking on this adventure. It is recommended to seek guidance from experienced professionals and check for updated information before planning a trip to this area.