You are before the mythical Gavan fountain, also known as "Hot Water Oak Fountain", since its water springs from the deep roots of the tree of the world, the oak Edratil, recorded to be in this site from the twelfth to the sixteenth centu-ries. It is located in a magical site of a special sanctity; the tree of life of the Celts and Ger-manic tribes, origin of many myths and legends and one of the keys to the western concept of the destiny of the soul.