Checua is a preceramic open area archaeological site in Nemocón, Cundinamarca, Colombia. The site is located 7 kilometres (4.3 mi) north of the town centre. At Checua, thousands of stone and bone tools, stone flakes and human remains have been found, indicating human occupation from around 8500 to 3000 years BP.

Nemocón is a municipality and town of Colombia in the Central Savanna Province, part of the department of Cundinamarca. Nemocón, famous for its salt mine, was an important village in the Muisca Confederation, the country in the central Colombian Andes before the arrival of the Spanish. The municipality is situated in the northern part of the Bogotá savanna, part of the Altiplano Cundiboyacense with its urban centre at an altitude of 2,585 metres (8,481 ft) and 65 kilometres (40 mi) from the capital Bogotá. Nemocón is the northeasternmost municipality of the Metropolitan Area of Bogotá and the Bogotá River originates close to Nemocón. The median temperature of Nemocón is 12.8 °C. The municipality borders Tausa in the north, Suesca and Gachancipá in the east, Tocancipá and Zipaquirá in the south and in the west the rivers Checua and Neusa and the municipality of Cogua.