Embark on a guided tour from Valencia to explore the largest navigable cave in Europe. You'll be captivated by the spectacular interior of the San José cave as you sail along its underground river.
Your journey begins with a comfortable ride in an air-conditioned vehicle from Valencia to the San Jose caves, nestled within a natural area bearing the same name. These caves are an active spring, formed in limestone during the Middle Triassic period.
Inside, you'll find a constant temperature of 20°C throughout the year. With a current length of 2,750 meters, it stands as the longest cavity in the province of Castellón and ranks second in the Valencian Community. Notably, it is home to Europe's longest navigable underground river. The entire excursion includes travel time to and from the caves, as well as an hour-long tour of the San José cave itself.



