River ID MT

Lemhi River

Idaho • 44.9584, -113.6680

Length

62 mi

99 km

Elevation

5,943′ → 3,913′

2,031 ft drop

Stream Order

Large River

Slope

0.62%

32.9 ft/mi

Drainage

800 mi²

2,073 km²

Avg Flow

327 cfs

1.9 mph velocity

Path to Mouth

830 mi

1,335 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

Monitor

Water Level Gauges on Lemhi River

There are 3 USGS water level monitoring stations on Lemhi River providing real-time flow and stage data.