Sima de Villaluenga y Sima del Republicano Nature · Villaluenga del Rosario, Sierra de Cádiz, Cádiz Villaluenga del Rosario, right in the heart of the Sierra de Grazalema Natural Park, holds the Sima de Villaluenga (over 200 m deep with 3 km of galleries) and the Sima del Republicano, with a 258 m vertical shaft used for climbing and sport caving. Photo: Boby m (CC BY-SA 4.0) What to see and do in Villaluenga del Rosario