The Whitewater River run on the Vermilion River in Montana is a thrilling adventure for experienced kayakers and rafters. The ideal streamflow range for this run is between 500 and 1000 cfs. The Vermilion River is rated as Class III-IV, with a segment mileage of 8.5 miles. The river rapids and obstacles include "Toilet Bowl," "Purgatory," "Boxcar," and "Jaws." These rapids have challenging drops, waves, and boulders, making it a technical run that requires advanced paddling skills.

In addition to its thrilling rapids, the Vermilion River is located in a remote area with stunning natural scenery. The river runs through the Absaroka-Beartooth Wilderness, providing kayakers and rafters with incredible views of mountains, forests, and wildlife.

To protect this wilderness area, there are specific regulations that kayakers and rafters must follow. The use of motorized boats is prohibited, and permits are required for all overnight trips. There are also restrictions on group size and camping locations. Kayakers and rafters should always respect the natural environment and leave no trace of their visit.

Overall, the Whitewater River run on the Vermilion River is a challenging adventure that rewards experienced paddlers with incredible scenery and technical rapids. However, it is important to follow regulations and safety protocols to protect this beautiful wilderness area.