Tebicuary River
The Tebicuary River, a tributary of Paraguay River is a river in Paraguay. Located in the southwestern part of that country, it flows eastwards discharging to Paraguay River about 45 km south of Formosa and 30 km north of Pilar. Its mouth was the site of the Passage of Tebicuary in July 1868 during the Paraguayan War.
The San Rafael [National Park] in the river's upper basin.