[2] The corridor consists of the Apepú River basin, the Fazenda Santa Maria Private Natural Heritage Reserve (RPPN), the Fazenda Santa Maria, the Bonito River Basin and its connection with the protected areas of Itaipu.

It covers the banks of the Apepú river, which rises in the RPPN and flows south into the Iguaçu National Park.

[5] This corridor connects several remnants of seasonal semi-deciduous forest in south-western Paraná with reforested areas.

The Faixa Seca is a reforested area about 4 kilometres (2.5 mi) long and 60 metres (200 ft) wide, the same width as a riparian forest, but with no watercourse.

[4] The Santa Maria Ecological Corridor was created by Brazilian Institute of Environment and Renewable Natural Resources (IBAMA) ordnance 195 of 10 October 2001.