Hydrography
The park protects the sources of water, streams, a stretch of the Ñacunday River, which forms Salto Ñacunday - approximately 35 - 40 meters high waterfall some 900 m from the mouth of Ñacunday River. River provides water to the Mbyá Guaraní villages of the area for their daily activities, sometimes the river is used for recreation.
Read more about this topic: Nacunday National Park