Bayou Grande Cheniere Mounds, Archaeological site in Plaquemines Parish, Louisiana, United States.
The archaeological complex contains twelve earthen mounds arranged around a central plaza, with eleven structures forming the main group and one separate mound.
The site was inhabited from 875 to 1200 CE during the Coastal Coles Creek period, with initial excavations beginning in 1926 by the Smithsonian Institution.
The arrangement of mounds around an elliptical plaza measuring 100 feet north-south and 75 feet east-west indicates organized social and ceremonial activities.
The largest structure, Mound 1, reaches 60 feet in height and stands at the eastern edge of the plaza, marking the primary architectural feature.
A constructed causeway connected the settlement to Bayou Grande Chenière, demonstrating advanced engineering capabilities for water transportation access.
Location: Louisiana
GPS coordinates: 29.49630,-89.79260
Latest update: March 11, 2025 19:51
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