River MT ID

Lochsa River

Montana • 46.1508, -115.5872

Length

69 mi

111 km

Elevation

3,433′ → 1,452′

1,981 ft drop

Stream Order

6

Large River

Slope

0.54%

28.6 ft/mi

Drainage

1,176 mi²

3,046 km²

Avg Flow

2,953 cfs

3.3 mph velocity

Path to Mouth

630 mi

1,013 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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