The Whitewater River Run, located in the state of Utah, is a popular destination for whitewater enthusiasts. The ideal streamflow range for this river is between 1,000 to 5,000 cubic feet per second (cfs), with the best time to run the river being during the spring season. The segment mileage of this run is approximately 84 miles, with a class rating of III to IV.

There are several notable rapids and obstacles on the Whitewater River Run, including House Rapid, Government Rapid, and Ross Rapid. House Rapid is a class IV rapid that requires precise maneuvering, while Government Rapid is a class III+ that can be challenging due to its narrow channel and strong currents. Ross Rapid is a class IV+ and is known for its large waves and steep drops.

It is important to note that there are specific regulations in place for this area. For example, all boaters are required to obtain a permit from the Bureau of Land Management before embarking on the river. Additionally, there are restrictions on camping and fires along the river to protect the natural environment.

In conclusion, the Whitewater River Run is a thrilling and challenging whitewater destination with a variety of rapids and obstacles to navigate. With the ideal streamflow range of 1,000 to 5,000 cfs, the Class III to IV rating, and a segment mileage of approximately 84 miles, it is a must-visit destination for serious whitewater enthusiasts. However, it is important to follow all regulations and guidelines to ensure the safety of all visitors and protect the natural environment.