We will start our tour in the vicinity of Níjar, where we will travel to the depths of the Hoyazo’s crater to find rocks, minerals and gemstones. Thanks to this submarine volcano we will understand the geological history of Almería in the last 15 million years. Following the footsteps of great expeditions of the past, we will discover limestone blocks formed by marine and coral fossils, which belongs to an ancient tropical island. The reefs of this atoll were formed over the volcano, and today we can enjoy them on a path that will amaze young and old. Don’t miss this wonderful geological adventure!