The Whitewater River Run from Cass Lake to Lake Winnibigoshish in Minnesota is a popular route for kayakers and canoers. The ideal streamflow range for this run is between 350-700 cfs, depending on the skill level of the paddlers. The river is rated as a Class I-II, with occasional Class III rapids in certain sections. The total distance of the run is approximately 28 miles, with varying scenery and obstacles along the way.

Some of the notable rapids and obstacles on the Whitewater River Run include the "Narrows," a narrow passage with fast-moving water and several rocks, and the "S-Bend," a sharp turn with a strong current. Paddlers should also be aware of fallen trees and other debris that may obstruct the river in certain areas.

It is important to note that there are specific regulations in place for this area. The use of motorized watercraft is prohibited on the Whitewater River, and all paddlers must wear a personal flotation device (PFD) at all times. Additionally, camping is only allowed in designated areas along the river. Paddlers should be respectful of the natural environment and follow Leave No Trace principles.