El Parque Natural Sierras de Tejeda, Almijara y Alhama en Arenas del Rey Nature · Arenas del Rey, Comarca de Alhama, Granada Image of Arenas del Rey, not of the place itself. Arenas del Rey lies beside the Sierra Tejeda, part of the Sierras de Tejeda, Almijara y Alhama Natural Park, and next to the Bermejales reservoir, which gives its name to one of its two population centers. Photo: Jebulon (CC0) What to see and do in Arenas del Rey