River AR

Grassy Slough

Arkansas • 35.2979, -91.4668

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

4 mi

7 km

Elevation

275′ → 195′

80 ft drop

Stream Order

Medium River

Slope

0.34%

17.9 ft/mi

Drainage

157 mi²

408 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

144 mi

231 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