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The Whitewater River Run in Arizona is a popular destination for whitewater enthusiasts, with a variety of rapids and obstacles to navigate. The ideal streamflow range for this run is typically between 500 and 3000 cubic feet per second (cfs), which provides enough water to make the rapids challenging but not dangerous. The run is rated as Class III to IV, with some sections reaching Class V.

The run begins at the Northern Boundary of Hellsgate Wilderness and ends at the Southern Boundary of Hellsgate Wilderness, covering a distance of approximately 11 miles. Along the way, paddlers will encounter a variety of rapids and obstacles, including the infamous Hell's Hole, which is rated as a Class V rapid. Other notable rapids include Quartzite Falls, Triple Drop, and Cow Flat Rapid.

In addition to the natural challenges of the river, there are also specific regulations that paddlers must follow. For example, all boaters are required to carry a throwable rescue device, a personal flotation device, and a whistle. There are also restrictions on camping and fires in certain areas, as well as restrictions on the use of motorized boats.

Overall, the Whitewater River Run is a challenging and rewarding experience for experienced whitewater paddlers. It is important to check current streamflow levels and weather conditions before embarking on this adventure, and to follow all applicable regulations to ensure a safe and enjoyable trip.