River SC

Gum Swamp

South Carolina • 34.1428, -80.6707

Reviewed mapped path Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

25 mi

40 km

Elevation

229′ → 39′

189 ft drop

Stream Order

Medium River

Slope

0.15%

7.7 ft/mi

Drainage

400 mi²

1,036 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

205 mi

330 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

Detailed hydrology

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Data from USGS & NOAA for informational purposes only. Read source and safety notes