Parque Natural Sierra de Castril is a natural park situated at the north of Castril. It has a superfice of 12.696 ha and mountain peaks over 2000 meter. The Castril river is the heart of the park and is also the cause of the area´s unusal appearance. The water of the river comes at the surface in the park and runs al the way down to lake Portillo. In the park you find a lot of marked walking trails for example to the natural spring of the Castril river or to the natural caves (Don Fernando). Heading on the Cerro del Buitre trail you can see the nests of vultures sticked to the rugged clifs.
Activities: In the park are a lot of activities organized like canoeing, mountain biking, horse riding and canyoning.
Underneath some hiking trails provided by the province of Andalucia (Spanish description and in pdf-format).