Refugio Carapá is a biological reserve in the Department of Canindeyú, Paraguay, on the right bank of the Paraná River. It is one of eight sites earmarked as an ecological reserve near the Itaipu Dam, one of the largest dams in the world, located between Paraguay and Brazil. The reserve is north of the Ciudad del Este. It was founded in 1984 and is .
Refugio Carapá is surrounded by mountains and land with very steep slopes. The soils are latosol, textured red clay.
The weather is humid and warm, typical of the sub mesothermal humid tropics. Annual precipitation of . The drainage basin of the Carapá River is composed of several tributaries that arise in different parts of the Department of Canindeyu in Paraguay.
The vegetation of the refuge is composed of associations of forest high, low forest, swamps, high camp, camp low, primitive forest and forest near the river. The dominant species are composed of Tabebuia, Peltophorum dubium, and Cedrela fissilis.
Of the animal species recorded, most are in the range of endangered. There are also less threatened species, such as the neotropical otter (Lontra longicaudis) and collared peccary. Among the carnivores, Felis has experienced territorial displacement. Of all the species recorded in the area of Itaipu dam, 61.4% belong to the area of the Carapá River.
The refuge has a structure where researchers and technicians live full-time.
Objectives of the refuge include:
This reserve bordering the lake was artificially created by Itaipu in 1982. A series of economic initiatives are beginning to be exploited by the 77 neighboring municipalities. The artificial lake is one of the largest in the world, with 29e6m³ and extension in a straight line. Including the bays and inlets, it extends .
The formation of the lake has not only changed the look of the geographic region. Agriculture, the regional economic base, is being replaced by tourism. Several artificial beaches were created along the banks of the lake, where people participate in water sports.
Refugio Carapá is divided into distinct zones following techniques for managing protected areas.
The reserve has a panoramic viewpoint, from which can be seen most of the wooded area, as well as the vast body of water formed by the dam.