Montana
9 rivers · Live USGS data
Flathead River — Middle Fork
3,890cfs
Flathead / Glacier Co.
Class I–IV94 miOptimal
★ Wild & Scenic🏞 National Park
Gallatin River
624cfs
Gallatin Co.
Class I–IV120 miOptimal
🎣 Blue-Ribbon Trout🏞 National Park
Blackfoot River
3,730cfs
Powell / Missoula Co.
Class I–II132 miOptimal
🎣 Blue-Ribbon Trout
Missouri River — Upper Missouri Breaks
4,190cfs↑!
Chouteau / Blaine / Phillips Co.
Class I149 miFlood
★ Wild & Scenic🏞 National Park
Stillwater River
49.3cfs
Stillwater / Park Co.
Class II–III80 miLow
🎣 Blue-Ribbon Trout🌿 Wilderness
Yellowstone River
3,500cfs↑
Park / Sweet Grass Co.
Class I–III692 miOptimal
🎣 Blue-Ribbon Trout🏞 National Park
Clark Fork
5,850cfs
Missoula / Mineral Co.
Class I–III310 miOptimal
🎣 Blue-Ribbon Trout
Big Hole River
837cfs
Beaverhead Co.
Class I–II153 miOptimal
🎣 Blue-Ribbon Trout
Madison River
1,160cfs
Madison / Gallatin Co.
Class Riffles140 miOptimal
🎣 Blue-Ribbon Trout🏞 National Park
Optimal Low High Flood