In "Santa Sofía”, Garao, north of Plácido Rosas, province of Cerro Largo, there are complex ecosystems composed of primary swamp forests or "capones" associated to rain forests considered rare in the country and located in patches that add 186,9 ha. Since the end of 2013, this area has been considered of High Conservation Value since it is an area with exceptional characteristics, with relictual patches of flora from Brazil and mainly due to the diversity of flora species present.