River LA

Bayou Provencal

Louisiana • 31.6261, -93.1578

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

21 mi

34 km

Elevation

266′ → 84′

182 ft drop

Stream Order

Large River

Slope

0.16%

8.6 ft/mi

Drainage

62 mi²

161 km²

Avg Flow

-- cfs

1.4 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).

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

Rain Radar