Segundo River, River in Córdoba Province, Argentina.
The Segundo River is a watercourse flowing through Córdoba Province in central Argentina. It originates where the Los Molinos and Anizacate rivers meet in Paravachasca Valley at roughly 2,000 meters elevation, then travels about 340 kilometers before emptying into the Mar Chiquita salt lake.
The river influenced how people settled in Córdoba Province starting in the early colonial period, helping agricultural development take root across the region. Its reliable water supply made it essential for communities building farms and establishing themselves in the area.
Local people call it by its Spanish name rather than its original indigenous name Xanaes. The river has shaped how communities settle and organize their daily life in the region.
The Los Molinos Dam manages the river flow and uses it to generate power for nearby communities. The water level varies depending on the season and how the dam is operated, which affects the river's appearance throughout the year.
The river begins at a mountain confluence where two other rivers merge, making its origin geographically distinct. This meeting point in Paravachasca Valley marks the true start of its long journey across the plains toward the salt lake.
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