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LiDAR Mapping in the Mirador-Calakmul Karst Basin Reveals 1,000-Year-Old 'Maya Hydraulic Super-Grid' and Terraced Aqueducts

📅 April 11, 2026 📰 Antiquity Science Monitor
LiDAR Mapping in the Mirador-Calakmul Karst Basin Reveals 1,000-Year-Old 'Maya Hydraulic Super-Grid' and Terraced Aqueducts

A breakthrough LiDAR survey conducted over the remote jungles of northern Guatemala has identified a massive, interconnected Maya Hydraulic Super-Grid dating back to the Late Classic period. The survey successfully mapped thousands of miles of previously hidden terraced aqueducts, stone-lined canals, and massive reservoirs designed to harvest rainwater in a landscape prone to seasonal drought. This discovery suggests a far higher population density and more centralized environmental management than previously hypothesized for the region.

The data reveals that the Maya engineers utilized the natural topography of the Karst Basin to create a gravity-fed water distribution system that served multiple urban centers simultaneously. Researchers noted that the sheer scale of the earthworks rivals modern irrigation projects, highlighting the advanced civil engineering capabilities of the ancient Maya at their peak. Field teams are now preparing to visit newly identified 'water-control towers' located at key nodes in the grid.

Original source: Antiquity Science Monitor