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2021 Map of Catahoula Bay

Name: 2021 Topographic Map of Catahoula Bay
Creator: U.S. Geological Survey
Published: 2021
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2021

About this map

The vast wetlands where St. Charles Parish meets Lafourche Parish are defined by a complex network of bayous and coastal inlets. Centered on the open waters of Lake Salvador and Catahoula Bay, this map reveals the intricate natural and man-made hydrology of the Louisiana coast. The Intracoastal Waterway cuts through the southern section, intersecting with drainage features like the Wickey Canal and Canal Tisamond Foret. Named landforms such as Tabatiere Perdue, Camardelle, and Grosse Pointe emerge from the marsh, providing distinct markers in an otherwise fluid landscape.

This area is characterized by the convergence of several major bayous, including Bayou des Allemands and Bayou Catahoula, which sustain the local estuary. Smaller features like Temple Bay and Shell Beach reflect the local geography of the wetlands. The map provides a detailed view of the interaction between the Gulf’s tidal influences and the engineered waterways essential for navigation and coastal management.