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Colombia

Geography and Climate

Geography

Colombia has five main natural regions that present their own unique characteristics, from the Andes mountain range region shared with Ecuador and Venezuela; the Pacific Ocean coastal region shared with Panama and Ecuador; the Caribbean Sea coastal region shared with Venezuela and Panama; the Llanos (plains) shared with Venezuela; to the Amazon Rainforest region shared with Venezuela, Brazil, Peru and Ecuador. Colombia is one of only two South American countries which border both the Atlantic and Pacific Oceans.

Colombia is located in the north western region of South America bordering to the east with Venezuela and Brazil; to the south with Ecuador and Peru; to the North with the Atlantic Ocean, through the Caribbean Sea; and to the west with Panama and the Pacific Ocean. It is the 26th largest nation in the world and the fourth-largest country in South America after Brazil, Argentina, and Peru.

Despite its large territory, Colombia's population is not evenly distributed with most Colombians living in the mountainous western portion of the country as well as the northern coastline, most living in or near the capital city of Bogotá. The southern and eastern portions of the country are mostly sparsely inhabited tropical rainforest and inland tropical plains containing small farming communities and indigenous tribes.

Climate

The striking variety in temperature and precipitation results principally from differences in elevation. Temperatures range from very hot at sea level to relatively cold at higher elevations but vary little with the season. At Bogotá, for example, the average annual temperature is 15°C, and the difference between the average of the coldest and the warmest months is less than 1°C. More significant, however, is the daily variation in temperature, from 5°C at night to 17°C during the day.

Colombians customarily describe their country in terms of the climatic zones: the area under 900 meters in elevation is called the hot zone (tierra caliente), elevations between 900 and 1,980 meters are the temperate zone (tierra templada), and elevations from 1,980 meters to about 3,500 meters constitute the cold zone (tierra fría). The upper limit of the cold zone marks the tree line and the approximate limit of human habitation. The treeless regions adjacent to the cold zone and extending to approximately 4,500 meters are high, bleak areas (usually referred to as the páramos), above which begins the area of permanent snow (nevado).

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