The dam's primary wall is an earth-fill structure with a clay core, rising approximately 80 meters high.
The reservoir acts as the main flood control mechanism for the city of San Miguel de Tucumán and surrounding lowlands.
The archaeological museum located at the site contains a significant collection of artifacts from the Candelaria, Tafí, and Santa María cultures.
The name 'El Cadillal' refers to the native cadillo bushes that once dominated the surrounding terrain.
The hydroelectric plant integrated into the dam generates energy through two turbines, contributing to the provincial power grid.
The water level of the lake can fluctuate significantly depending on seasonal rainfall and irrigation demands for sugar cane cultivation.
The site hosts an annual 'Fiesta de la Cosecha' and various regional water sports tournaments throughout the year.
The Celestino Gelsi Dam, commonly known as El Cadillal, is a major hydroelectric project and reservoir located 25 kilometers from San Miguel de Tucumán. The dam was constructed on the Salí River and serves as a vital water source for the region's agricultural and industrial sectors. The site features an artificial lake covering approximately 1,100 hectares, providing a hub for regional recreational activities. The surrounding landscape is characterized by the Sierras de Medina foothills, creating a natural amphitheater around the water. A dedicated tourist complex on the lake's banks houses the Museo Arqueológico El Cadillal (MAEC), which showcases regional indigenous history. The site is equipped with infrastructure for various water sports, including kayaking, windsurfing, and recreational fishing. The area also offers several trails for mountain biking and trekking that wind through the native vegetation. As of July 2026, the site remains fully operational as both a utility facility and a primary local outdoor destination.
The viewing platform near the museum entrance provides an unobstructed panoramic view of the dam wall and the lake.
Bring polarized sunglasses to reduce sun glare reflected off the water surface.
Check local weather reports specifically for the mountain foothills, as conditions differ from the city center.
Wear closed-toe shoes if planning to hike the nearby trails, as the terrain is rocky and uneven.
Swimming in non-designated zones due to deep, unpredictable currents near the dam wall.
No specific dress code, though standard outdoor attire is recommended. Dispose of all waste in designated bins to protect the reservoir water quality.
