› Rivers & Lakes › Montana
River MT WY

Clarks Fork Yellowstone River

Montana • 45.2962, -108.8998
Length
138 mi
222 km
Elevation
7,977′ → 3,241′
4,736 ft drop
Stream Order
7
Large River
Slope
0.65%
34.4 ft/mi
Drainage
2,542 mi²
6,583 km²
Avg Flow
1,561 cfs
2.3 mph velocity
Classification
Tributary
Mid-reach
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 Clarks Fork Yellowstone River

There are 2 USGS water level monitoring stations on Clarks Fork Yellowstone River providing real-time flow and stage data.

Access Sites on Clarks Fork Yellowstone River

There are 15 boat ramps, launches, and public access points on Clarks Fork Yellowstone River.