River ID

Little Salmon River

Idaho • 45.1343, -116.3064

Hydrography profile Updated Dec 27, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

52 mi

84 km

Elevation

6,242′ → 1,727′

4,516 ft drop

Stream Order

Large River

Slope

1.64%

86.8 ft/mi

Drainage

541 mi²

1,401 km²

Avg Flow

780 cfs

2.0 mph velocity

Path to Mouth

649 mi

1,045 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Water Quality

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

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar