River AR

South Fork Ouachita River

Arkansas • 34.5668, -93.5371

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

42 mi

67 km

Elevation

1,221′ → 570′

651 ft drop

Stream Order

Large River

Slope

0.30%

15.6 ft/mi

Drainage

163 mi²

421 km²

Avg Flow

-- cfs

1.4 mph velocity

Path to Mouth

709 mi

1,141 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