Rio de la Plata

High Quality Content by WIKIPEDIA articles! The Río de la Plata (Spanish pronunciation: , River of Silver)-sometimes rendered River Plate in British English and the Commonwealth, and occasionally rendered Plata River in other English-speaking countries-is the river and estuary formed by the confluence of the Uruguay River and the Paraná River on the border between Argentina and Uruguay. It is a funnel-shaped indentation on the southeastern coastline of South America, about 290 kilometres (180 mi) long.