The Corbalán Natural Reserve is a conservation unit managed by PROMETA and has an area of 4.778 hectares of which 2.500 are under the legal figure of Private Reserve of the Natural Patrimony, (Reserva Privada del Patrimonio Natural or RPPN), and is legally supported by the Forest Law 1700, and 2.278 hectares are lands under protection. This reserve is located in the Third Section of the Great Chaco Province in Tarija (in the jurisdiction of the Villa Montes Municipality). The reserve contains dry forests, grasslands, glens and a vast concentration of biodiversity due to the water accumulation in its glens.