River LA

Persimmon Gully

Louisiana • 30.3583, -93.5296

Reviewed mapped path Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

11 mi

18 km

Elevation

71′ → 2′

68 ft drop

Stream Order

Medium River

Slope

0.11%

6.0 ft/mi

Drainage

21 mi²

55 km²

Avg Flow

-- cfs

0.9 mph velocity

Path to Mouth

88 mi

141 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