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Ecoregion in the Alto Paraná, 80 km from the town of Hernandarias, has an area of 13,807 ha of undulating topography. The river of the same name, Itabo, crosses the reservation from west to east with its two arms, North Itabo and Itabo South and some of its tributaries. The climate is subtropical in the region, with light rainfall, ranging from 1,500 to 1,700 mm. The plants of the reservation that predominates: Tabebuia sp., Peltophorum dubium, Cedrela fissilis among others.
The second largest hydroelectric power station in the world.