El Rosario National Park is located in El Petén, Guatemala, on the eastern edge of the town of Sayaxché. (16°31′38″N 90°09′36″W / 16.527163°N 90.160017°W / 16.527163; -90.160017 (El Rosario National Park)). The park is named after laguna El Rosario, a small lake within its boundaries, and was formerly a state owned finca managed by the National Forestry Institute (INAB). In 1980 it was declared a national park. The park covers an area of 11.05 km², including El Rosario lake which has a surface area of 4 ha in the dry season, though it is considerably larger during the rainy season.^[1][2]

• http://en.wikipedia.org/wiki/El Rosario