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2018 Map of Alligator Point

Name: 2018 Topographic Map of Alligator Point
Creator: U.S. Geological Survey
Published: 2018
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2018

About this map

The eastern edges of New Orleans meet the expansive waters of Lake Borgne in this coastal landscape defined by shifting marshlands and intricate tidal channels. Dominating the upper portion of the map is the connection between Lake Saint Catherine and Lake Catherine, where natural features like Truloix Point and Truloix Bayou contrast with the modern engineering of the Intracoastal Waterway. This waterway cuts a straight line through the wetlands, bypassing the winding courses of Miller Bayou and Frederick Bayou.

Further south, the shoreline of Alligator Bend traces the transition from the interior marsh to the open lake. Landmarks such as Alligator Point and Point Cataline mark the boundary between Orleans Parish and St. Bernard Parish. This area, including Big Deedie Lake and Little Deedie Lake, reflects a classic Louisiana coastal environment where life and movement are dictated by the paths of Blind Bayou and Unknown Pass.