Embalse de La Serena Nature · Garlitos, La Siberia, Badajoz Built between 1985 and 1991, the embalse de La Serena (La Serena reservoir), with a capacity of 3,232 cubic hectometers over some 14,000 hectares, is the largest in Spain and the third largest in Europe by capacity; its tail reaches the municipal territory of Garlitos. 1985-1991 (construcción) Photo: kallerna (CC BY-SA 4.0) What to see and do in Garlitos