River ID OR

North Fork Owyhee River

Idaho • 42.5430, -117.1452

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

33 mi

53 km

Elevation

6,542′ → 3,953′

2,589 ft drop

Stream Order

Large River

Slope

1.48%

77.9 ft/mi

Drainage

329 mi²

853 km²

Avg Flow

-- cfs

1.4 mph velocity

Path to Mouth

924 mi

1,486 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

Access Sites on North Fork Owyhee River

There are 1 boat ramps, launches, and public access points on North Fork Owyhee River.