The Whitewater River Run from South Fowl Lake in T64N, R3E to Lake Superior in T64N, R7E is a popular paddling destination in Illinois. The ideal streamflow range for this run is between 100-300 cfs. The class rating for this section of the river is Class II-III, with some Class IV rapids depending on water levels. The segment mileage for this run is approximately 15 miles.

There are several notable rapids and obstacles along the way, including the "Widowmaker" and "Big Nasty" rapids. Paddlers should also be aware of the numerous logjams and strainers that can be present in the river.

There are specific regulations for this area that paddlers should be aware of. The river is located within the Boundary Waters Canoe Area Wilderness, which means that permits are required for all overnight trips. Additionally, all gear must be packed out and campfires are only allowed in designated fire rings.

Overall, the Whitewater River Run offers a thrilling paddling experience for intermediate to advanced paddlers. It is important to check water levels and obtain the necessary permits before planning a trip to this area.