Montana
14 rivers · Live USGS data
Flathead River — Middle Fork
13,600cfs
Flathead / Glacier Co.
Class I–IV94 miHigh
★ Wild & Scenic🏞 National Park
Gallatin River
2,070cfs
Gallatin Co.
Class I–IV120 miOptimal
🎣 Blue-Ribbon Trout🏞 National Park
Blackfoot River
5,370cfs↑
Powell / Missoula Co.
Class I–II132 miHigh
🎣 Blue-Ribbon Trout
Missouri River — Upper Missouri Breaks
3,400cfs
Chouteau / Blaine / Phillips Co.
Class I149 miLow
★ Wild & Scenic🏞 National Park
Stillwater River
Stillwater / Park Co.
Class II–III80 mi
🎣 Blue-Ribbon Trout🌿 Wilderness
Yellowstone River
11,500cfs
Park / Sweet Grass Co.
Class I–III692 miOptimal
🎣 Blue-Ribbon Trout🏞 National Park
Clark Fork
7,460cfs↑
Missoula / Mineral Co.
Class I–III310 miOptimal
🎣 Blue-Ribbon Trout
Big Hole River
856cfs
Beaverhead Co.
Class I–II153 miOptimal
🎣 Blue-Ribbon Trout
Madison River
1,160cfs
Madison / Gallatin Co.
Class Riffles140 miOptimal
🎣 Blue-Ribbon Trout🏞 National Park
Missouri River
Class 149 mi
★ Wild & Scenic
South Fork Flathead River
13,600cfs↑!
Class 79 miFlood
★ Wild & Scenic
Middle Fork Flathead River
Class 72 mi
★ Wild & Scenic🏞 National Park
North Fork Flathead River
13,300cfs↑
Class 58 miFlood
★ Wild & Scenic🏞 National Park
Swan River
2,980cfs
Class 1 miHigh
Optimal Low High Flood