The ideal streamflow range for this river is between 1,500 and 3,000 cubic feet per second (cfs), which typically occurs in late May to June. The Madison River is rated as a Class II-III river, meaning it has moderate to difficult rapids with irregular waves and obstacles. The segment mileage varies depending on the section, but the most commonly run section is from Hebgen Dam to the town of Ennis, which is approximately 35 miles.
Some of the specific rapids and obstacles on the Madison River include the Kitchen Sink, Lava Lake, and Beartrap Canyon. The Kitchen Sink is a Class III rapid with large waves and a hole that can flip rafts. Lava Lake is a Class III rapid with a long wave train and a few holes. Beartrap Canyon is a Class III-IV section with steep drops and narrow channels.
There are specific regulations that must be followed when rafting or kayaking on the Madison River. Boaters are required to have a permit to float through the Beartrap Canyon section, which is limited to a certain number of boats per day. Additionally, boaters must adhere to Leave No Trace principles and pack out all trash and waste. Overall, the Madison River offers a thrilling whitewater experience with stunning scenery, but it is important to follow regulations to preserve the natural beauty of the area.
| Last Updated | 2025-06-28 |
| River Levels | 281 cfs (3.34 ft) |
| Percent of Normal | 91% |
| Status | |
| Class Level | ii-iii |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 06050000 |
| Location | Reservations | Toilets |
|---|---|---|
TRAPPER SPRINGS REC SITE
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LEE METCALF WILDERNESS
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Harrison Lake FAS
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