Costa Rica contains a total coverage of 51,100 sq km and ranks as the 130th largest country in the world (comparable to the size of West Virginia). The total area of Costa Rica is derived from 51,060 sq km of land, and just 40 sq km of water. Costa Rica's land boundaries are639 km, sectioning off the country from Panama and Nicaragua. The coastal boundaries cover a total area of 3,218 km. Costa Rica has a tropical or subtropical with a dry season in December to April, and a rainy season in May to November; with a region of cooler highlands. The terrain of Costa Rica is mainly covered in coastal plains separated by rugged mountains including over 100 volcanic cones. The highest point of elevation in Costa Rica is Cerro Chirripo(3,810 m ), and the lowest point is The Pacific Ocean (0 m).