The visit is guided and has an approximate duration of 45 minutes. For reasons of conservation, there is a maximum quota of people per session and per day. In low season (from November 1st to February 29th) the visit is done in groups of maximum 15 people, and in season medium and high (from March 1st to October 31st), in groups of maximum 13 persons. It is advisable to book by email or phone calling to (0034) 9220.127.116.11 and online purchases at least one day in advance, according to availability. The reservation must be formalized at the box office at least 15 minutes before the start of the visit. You can combine your visit to El Castillo with the cave of Las Monedas located 600 meters of distance. During the visit the use of comfortable footwear that does not slip and outerwear is recommended.