The springs of Mondariz are situated near the town Mondariz in Pontevedra, Spain. The water is filtered through the sub-soil for 60 to 120 years. This long filtering period ensures a balanced composition. Its sub-soil is unique. It is protected by the NATURA 2000 NETWORK which ensures its specific taste that has gained international publicity throughout history. Mondariz water is a slightly mineralised water, and it is an excellent source of fluoride and iron for the body. It is classified as a Mineral-Medicinal Water, rich in iron, sulphur and other minerals in significant enough amounts for its effect to be felt. It was originally sold in chemist's shops.