Oldness of hidiondo and East of the verb smelly heder ( former ERDF ) stink. In ready it is conserved as a toponymic. The fidionda source is at the end of Grisuela, on its border with San Vicente and Palazuelo. It has sulfurous waters that smell like rotten eggs and are considered to be medicinal. Herbs that grow in the water are completely white and have no chlorophyll.
