Pilar, Paraguay Pilar, Paraguay Pilar () is the capital city of the Paraguayan department of Ñeembucú, located along the Paraguay River in the southwestern part of the country. Located about from Asunción, Pilar serves as an important center of commerce and government for the far southwestern region of the country. Pilar was founded by Pedro Melo de Portugal on October 12, 1779. The original name of the settlement was "Villa del Ñeembucú", named for the nearby Arroyo Ñeembucú that flows into the Paraguay River. Four years later it was renamed "Villa del Pilar" by Spanish priest Marcial Antonio Uliambre, for the Basilica
Geography of Paraguay the river enters Paraguay, the Paraná River flows 800 km to its juncture with the Río Paraguay and then continues southward to the Río de la Plata Estuary at Buenos Aires, Argentina. In general, the Río Paraná is navigable by large ships only up to Encarnación, Paraguay but smaller boats may go somewhat farther. In summer months the river is deep enough to permit vessels with drafts of up to three meters to reach Salto del Guairá, but seasonal and other occasional conditions severely limit the river's navigational value. On the upper course, sudden floods may raise the water level