Diama Dam, Gravity dam and border crossing in Saint-Louis, Senegal and Mauritania.
The Diama Dam stretches across the Senegal River with a 170-meter main section containing a ship lock and spillway, plus a 440-meter embankment extension.
The construction of Diama Dam, initiated by Senegal River Basin Development Authority, began in September 1981 and reached completion in August 1986.
The dam represents a joint infrastructure project between Senegal and Mauritania, supporting agricultural communities through water management and irrigation systems.
The spillway manages a discharge capacity of 6,500 cubic meters per second, preventing saltwater intrusion while maintaining freshwater supplies for 45,000 hectares of farmland.
This structure functions as the sole land connection between Senegal and Mauritania, incorporating both a road crossing and navigation lock for river vessels.
Location: Saint-Louis
Elevation above the sea: 1 m
GPS coordinates: 16.21582,-16.41495
Latest update: May 11, 2025 03:58
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