The ideal streamflow range for the Madison River is between 1,500 and 3,000 cubic feet per second (cfs), with peak flow occurring in June. The river is classified as a Class II-III, with some sections rated as Class IV during high water. The segment mileage for the whitewater run on the Madison River is approximately 40 miles, starting at the town of Ennis and ending at the Bear Trap Canyon.
Some of the notable rapids and obstacles on the Madison River include Kitchen Sink, a Class III rapid located near the beginning of the run; Middle Fork, a Class III rapid with tight turns and steep drops; and the Class IV rapids of the Bear Trap Canyon, which feature technical drops and tight chutes. Additionally, the river is known for its scenic views, including the towering rock walls of the Bear Trap Canyon.
Specific regulations for the Madison River include the requirement for all watercraft to have a lifejacket for each person on board, as well as a sound device and a whistle. Additionally, fishing is allowed on the Madison River, but anglers must follow specific regulations regarding catch and release and bait usage.
| Last Updated | 2025-06-28 |
| River Levels | 1360 cfs (2.17 ft) |
| Percent of Normal | 56% |
| Status | |
| Class Level | ii-iii |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 06038800 |