Tags: Dam.
The Tsiazompaniry Dam is a buttress dam on the Varahina-South River a tributary of the Ikopa River near Tsiazompaniry in the Analamanga Region of Madagascar. The dam was constructed by a French firm in 1956. It creates Lake Tsiazompaniry the largest reservoir in the country which has a surface area of 31 km2 (12 sq mi) and a storage volume of 260000000 m3 (210000 acre·ft). A second buttress dam 1 km (0.62 mi) northwest of the main dam helps withhold the reservoir.