San Bernardo Spring
The water of Valbuena Spa comes from a 386 meters-depth aquifer catchment of mineral-medicinal water, which in XII century the Cistercian monks alreadly used this water to irrigate the vineyards that today are a part of Ribera del Duero DO.
Cataloging according to its composition:
Mineral-sulphited, sodium-calcium, hypothermal and medium-mineralized mineral water. The upwelling temperature is 25 ° C. The Spring of San Bernardo has a flow of 2,246,400 liters per day.