› Rivers & Lakes › Montana
River MT

Big Hole River

Montana • 45.6257, -112.7696
Length
132 mi
212 km
Elevation
7,584′ → 4,611′
2,973 ft drop
Stream Order
7
Large River
Slope
0.43%
22.6 ft/mi
Drainage
2,496 mi²
6,466 km²
Avg Flow
1,514 cfs
2.8 mph velocity
Path to Mouth
3,635 mi
5,850 km to ocean
Classification
Headwater
Source Stream
Elevation Profile
Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

EPA WQP MyWaterway
Data from USGS & NOAA for informational purposes only. More
Monitor

Water Level Gauges on Big Hole River

There are 7 USGS water level monitoring stations on Big Hole River providing real-time flow and stage data.

Access Sites on Big Hole River

There are 9 boat ramps, launches, and public access points on Big Hole River.