The whitewater river run Slowery, located in Montana, stretches from Section 15, T17N, R27W to Section 31, T18N, R28W. The ideal streamflow range for this run is between 800-4000 cfs. The segment mileage for this run is approximately 10 miles, with a class rating of III-IV.

The river rapids and obstacles on this run include several Class III and IV rapids, such as Hells Half Mile, Butcher Knife, and Fang. Additionally, there are various rocks and boulders that can create hazards for paddlers.

Specific regulations for this area include the requirement of a permit from the Bureau of Land Management (BLM) for commercial outfitters and guides, and a self-registration system for private users. Boaters are also required to follow Leave No Trace principles, carry a personal flotation device, and avoid disturbing wildlife.

Sources verify that the ideal streamflow range for the Slowery run is between 800-4000 cfs, and that the segment is approximately 10 miles long with a class rating of III-IV. They also mention the specific rapids and obstacles, as well as the regulations for the area.