Creek ID

Twelvemile Creek

Idaho • 47.4238, -115.2596

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

16 mi

25 km

Elevation

6,520′ → 2,949′

3,570 ft drop

Stream Order

Medium River

Slope

4.32%

228.3 ft/mi

Drainage

60 mi²

155 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

1,188 mi

1,911 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