2018 Map of South of South Pass

About this map

South Pass marks the extreme southern terminus of the Mississippi River delta, where the river's main channel meets the open waters of the Gulf of Mexico. This 2018 survey documents the shifting aquatic boundary of Plaquemines Parish in an area defined almost entirely by the sea. The landscape shown here is a dynamic maritime environment where the river’s sediment meets the tidal forces of the gulf, representing one of the final points of land before the continental shelf drops away. Map researchers will find a clear depiction of the contemporary shoreline and the expansive reach of the gulf waters that dominate this southernmost reach of Louisiana.