At 176,214 square kilometers (68,036 square miles) of continental land
and 142,199 km² (54,903 sq mi) of jurisdictional waters and small river
islands, Uruguay is the second smallest sovereign nation in South
America (after Suriname) and the third smallest territory (French Guiana
is the smallest).
The landscape features mostly rolling plains and low hill
ranges (cuchillas) with a fertile coastal lowland. A dense fluvial network
covers the country, consisting of four river basins or deltas; the Río de la
Plata, the Uruguay River, the Laguna Merín and the Río Negro.
internal river is the Río Negro ('black river'). Several lagoons are found
along the Atlantic coast. The highest point in the country is the Cerro
Catedral at 513.66 meters (1,685 ft 3 in) in the 'Sierra de Carapé'
To the southwest is the Río de la Plata, the Uruguay River.