River ID

Dry Fork North Fork Blackfoot River

Idaho • 47.3226, -112.9402

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

18 mi

29 km

Elevation

8,047′ → 5,042′

3,005 ft drop

Stream Order

Medium River

Slope

3.21%

169.3 ft/mi

Drainage

76 mi²

197 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

1,208 mi

1,943 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