The Madison River in Montana is a popular destination for whitewater enthusiasts, offering an exciting challenge for rafters and kayakers of all skill levels. The ideal streamflow range for the Madison River is between 2,000 and 7,000 cubic feet per second (cfs), which typically occurs from May to early July. The river is rated class II-III, with some sections reaching class IV during peak flow.

The Madison River run is divided into several segments, with the most popular being the 28-mile stretch from McAtee Bridge to the town of Ennis. This segment features a variety of rapids and obstacles, including the famous Kitchen Sink rapid and the Narrows. The Bear Trap Canyon section of the Madison, which runs from Ennis to the Madison Dam, is a more challenging and remote section of the river, rated class IV.

Regulations for the Madison River include a limit of 12 people per raft, as well as restrictions on alcohol and glass containers. In addition, a fishing permit is required for those who wish to fish on the river.

Overall, the Madison River run is a thrilling and scenic adventure for whitewater enthusiasts, offering a range of challenges and experiences for all skill levels.