La Yaya Dam is an embankment dam on the Guantánamo River near the town of La Yaya in the municipality of Niceto Pérez in Guantánamo Province, Cuba. The dam was completed in 1973 for flood control, irrigation of up to 8,000 ha (20,000 acres), and water supply for municipal and industrial uses. The reservoir has a storage capacity of 160,000,000 m³ (130,000 acre⋅ft), the second largest in the eastern part of the country after Melones Dam.^[1][2][3]

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La Yaya Dam
La Yaya Reservoir
Location of La Yaya Dam in Cuba
Country	Cuba
Location	Niceto Pérez, Guantánamo Province
Coordinates	20°7′36.94″N 75°21′33.45″W
Purpose	Flood control, water supply
Status	Operational
Opening date	1973; 51 years ago (1973)
Dam and spillways
Type of dam	Embankment
Impounds	Guantánamo River
Elevation at crest	85.7 m (281 ft)
Spillway type	Chute, free overflow
Spillway capacity	3,900 m3/s (140,000 cu ft/s)
Reservoir
Creates	La Yaya Reservoir
Total capacity	160,000,000 m3 (130,000 acre⋅ft)
Active capacity	146,000,000 m3 (118,000 acre⋅ft)
Catchment area	555 km2 (214 sq mi)
Surface area	13.3 km2 (5.1 sq mi)
Maximum length	7.6 km (4.7 mi)
Normal elevation	79.1 m (260 ft)

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