Rioverde is a city and its surrounding municipality located in the south-central part of the state of San Luis Potosí, Mexico. It is the fifth-most populated city in the state, behind San Luis Potosí, Soledad de Graciano Sánchez, Ciudad Valles, and Matehuala. It is the agricultural, economic, turistic and demographic most important core in the Zona Media, one of the four geographical divisions of the state. The city had a 2005 census population of 49,183, while the municipality, of which it serves as municipal seat, had a population of 85,945 and an area extent of 3,109.71 km² (1,200.07 sq mi). The population of its metropolitan area, which includes the largest municipality of Ciudad Fernández, was 126,997. The city is well known for its spring, called Media Luna. The city has been growing faster in the last four years. Rioverde lives up to its name in its rich surroundings and round the year pleasant weather. It is the birthplace of singer Ana Bárbara and composer Amador Ramos. The town has an Institute of Higher Education, the Technical Institute of Rioverde. It is one of the higher education federal institutes. Geography The municipality of Rioverde is located in the "Middle Zone" (Zona Media) of the state of San Luis Potosí, in the Sierra Madre Oriental. The land consists of high plains and mountains. It lies between 22° 25’ and 21° 33’ North latitude, and 99° 44’ to 100° 25’ West longitude, with altitude ranging from 100 meters to 2,600 meters. Rioverde municipality is bounded on the northwest by the municipality of Villa Juárez; on the northeast by Ciudad del Maíz municipality; on the east by the municipalities of Alaquines, Cárdenas, and Rayón; on the southeast by San Ciro de Acosta municipality; on the south by the state of Guanajuato; on the southwest by the municipality of Santa María del Río; and on the west by the municipalities Ciudad Fernández, and San Nicolás Tolentino. Tourism La Media Luna is a popular tourist site located 10 km. The lake gets its name for having the shape of a half moon. The area also includes a swimming and camping area. With depths of more than 50 meters and a sub aquatic cavern the area well known to scuba and scientific community in San Luis Potosí for its archaeological remains. Las Grutas de la Catedral y del Ángel, are caverns situated near Rioverde, although slightly remote