Ermita de Santa Lucía de Campillo de Arenas Monument · Campillo de Arenas, Sierra Mágina, Jaén Image of Campillo de Arenas, not of the place itself. Hermitage built in 1857, with an adjoining 19th-century tunnel of some interest. 1857 Photo: Gustave Doré (CC BY 2.0) What to see and do in Campillo de Arenas