River ID

South Slough

Idaho • 43.6208, -116.3153

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

7 mi

11 km

Elevation

2,673′ → 2,568′

105 ft drop

Stream Order

Major River

Slope

0.30%

15.9 ft/mi

Drainage

2,661 mi²

6,892 km²

Avg Flow

-- cfs

2.8 mph velocity

Path to Mouth

772 mi

1,242 km to ocean

Classification

Tributary

Mid-reach

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