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2018 Map of Manchac

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

USGS Topo · Published 2018

About this map

The expansive waters of Lake Maurepas dominate the western portion of this coastal Louisiana landscape, where the convergence of the Tickfaw River and Natalbany River marks the transition into the swampy lowlands of Tangipahoa and Livingston Parishes. This 2018 survey illustrates the complex aquatic network of the region, anchored by the narrow strip of land carrying Old US Hwy 51 and the modern transportation corridor. This narrow corridor supports the small settlements of Manchac, Akers, and Galva as they cling to the land between the lake and the wetlands to the east.

Waterways like North Pass and Pass Manchac are critical features, serving as the primary hydrologic links between the lake and larger basins. To the north, isolated locales such as Sharkey and Strader sit within a landscape of dense marshland, intersected by T Bayou and the elevated terrain of Jones Island. The map provides a precise look at the parish boundaries where St. John the Baptist, Tangipahoa, and Livingston meet amidst the winding bayous and passes.