The Republic of Paraguay is a landlocked country in South America, bordered by Argentina, Bolivia and Brazil.The terrain consists of low plains, hills and plateau. The River Paraguay is the principal river. Lake Ypacarai and Lake Ypoa are the main lakes. The climate is subtropical to temperate. There are a number of national forests, parks and reserves in Paraguay. National Parks are Caaguazu National Park, Cerro Cora National Park, Defenders of Chaco National Park, Saltos del Guaira National Park, Teniente Enciso National Park, Tinfunque National Park and Wildlife Reserve, and Ybycui National Park.