IV Entrance and V in the S-Turn. Sharp and shallow is the name of the game. Earthquake caused a natural dam to form on the madison and the Army corps opened up a V training run. This thing has water year round and is runnable as long as there aren't ice bridges 24/7/365.
| Glenn | |
| Class | V |
| Current Flow |
665.0 CFS 12-05-2025 04:45 |
| Recommended Flow |
Minimum: 850.0 Average: 1100.0 Maximum: 2500.0 |
| Typical Season |
Begins: January Ends: December |
| Recommended Use |
Kayaking: Yes Rafting: No Canoeing: No SUP: No Packrafting: No Fishing: No |
| Primary Gauge | Madison River bl Hebgen Lake nr Grayling MT |
| Length | 0.75 Mile(s) |
| Gradient | 160.0 FPM |
