The Whitewater River Run in Maine is a popular destination for kayakers and rafters. The ideal streamflow range for this run is between 1000 and 3000 cubic feet per second (cfs). The river is classified as a Class II-III, with some Class IV rapids. The total segment mileage is approximately 14 miles, starting from the Headwaters and ending at the Confluence with the South Branch Penobscot River.

The Whitewater River Run features several rapids, including Big Poplar Rapid, Double Drop Rapid, and the infamous Staircase Rapid. These rapids offer a mix of technical and fast-paced drops, making for a thrilling ride. There are also a few obstacles on the river, including rocks and boulders, which require precise navigation.

There are specific regulations to the area that should be followed by anyone planning to visit the Whitewater River Run. For instance, all boaters are required to wear personal flotation devices (PFDs) at all times while on the river. Additionally, all boats must be equipped with a whistle or horn for signaling purposes.

In conclusion, the Whitewater River Run offers a thrilling experience for kayakers and rafters, with a mix of technical and fast-paced rapids. The ideal streamflow range is between 1000 and 3000 cfs, and the river is classified as a Class II-III, with some Class IV rapids. It is important to follow the specific regulations set forth for the area, including wearing PFDs and carrying signaling devices.