The Red Creek to Southern Border of Mazatzal Wilderness run in Arizona is a popular whitewater river excursion that attracts recreational enthusiasts from all over. The ideal streamflow range for this river is between 400 and 1000 cubic feet per second (cfs), providing a moderate to challenging level of difficulty. The class rating for this section of the river varies between class III and IV, with a few class IV+ rapids at higher water levels. The segment mileage is approximately 12 miles and offers stunning scenery with towering rock formations and lush vegetation.

There are several notable rapids and obstacles on the river, including "The Notch," "Highway to Hell," and "Washout." These rapids provide an exciting challenge for experienced paddlers. However, caution should always be exercised as the river also contains several submerged rocks and other hazards.

Specific regulations apply to the area, and all paddlers must obtain a permit before embarking on the river trip. Additionally, all garbage and waste must be packed out, and campfires are prohibited within 1/4 mile of the river. Overall, the Red Creek to Southern Border of Mazatzal Wilderness is an exhilarating river run that promises adventure and breathtaking views of the Arizona wilderness.