River ID

Lateral Number 21

Idaho • 42.4341, -114.6191

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

11 mi

18 km

Elevation

4,588′ → 4,506′

82 ft drop

Stream Order

Large River

Slope

0.14%

7.3 ft/mi

Drainage

1,614 mi²

4,181 km²

Avg Flow

-- cfs

1.4 mph velocity

Path to Mouth

12 mi

19 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