EXPLORE EUROPE`S LONGEST NAVIGABLE UNDERGROUND RIVER...AN EXPERIENCE NOT TO BE MISSED...

Spain has natural heritage of incalculable worth, not only on its surface, but also underground.

How about exploring Europe's longest navigable underground river by boat, at the San José Caves. Close to the city of Vall d`Uixo in the Uixó Valley, Castellón.  Only 75 miles from Maestrat Park. A truely memorable visit, not to be missed. Certainly not to be forgotten...