Europe’s longest underground river, 60 km from Valencia
Located in La Vall d’Uixó (Castellón), the Cuevas de San José – or Coves de Sant Josep in Valencian – are home to the the longest navigable underground river in the whole of Europe. Declared Natural Monument of the Valencian Community, are one of the Mediterranean’s most stunning natural treasures and a must-do day trip if you’re in Valencia.
Formed millions of years ago by the action of water on limestone, their passages stretch for kilometres beneath the Mount Picaio. The artificial light reveals stalactites, stalagmites and calcite columns of extraordinary beauty, all reflected in crystal-clear, turquoise-hued waters.
Why visit the San José Caves?
The experience central is only in Europe: hop aboard a small boat and sail literally beneath the mountain. There’s nowhere else on the continent where you can do that. Added to that are:
- The interior remains at 20°C all year round, making it the perfect escape from the Mediterranean heat in summer.
- Geological formations have been developing over millions of years: every tunnel is different.
- A official local guide tells the geological history and legends of the area.
- The cave is just 60 km from the centre of Valencia, making it perfect for a day trip.
Two day trips from Valencia
We offer two options to suit your schedule and your appetite for adventure. Both depart from Valencia with transport included.
Classic tour: San José Caves only
We offer two formats to suit your schedule and your appetite for adventure. Both tours depart from Valencia with transport included.
The ultimate experience for exploring Europe’s longest underground river. Ideal if you’re looking for a more relaxed outing or are short on time.
What is included:
- Transport return journey from Valencia
- Home to the Caves of San José
- Boat trip along the underground river
- Official guide localised into several languages
Full-day excursion: San José Caves + Salto de la Novia, NEW
Our proposal for full day (7 hours): combines the underground boat trip with a visit to the The Bride’s Leap, a hidden waterfall among the ravines that most tourists never get to see.
What is included:
- Everything about the classic excursion
- Ticket and guided tour to the Salto de la Novia
- History and local legends about the waterfall
- A 7-hour guided tour with guides speaking multiple languages
El Salto de la Novia: the hidden waterfall steeped in legend
Few tourists know about the The Bride’s Leap. This waterfall, nestled between limestone ravines and Mediterranean vegetation, holds a story that has been passed down from generation to generation amongst the region’s inhabitants. During the excursion, our guides share the a fascinating legend which gives this spot its name and has been captivating visitors for generations.
Beyond its history, the Salto de la Novia is a visual spectacle: water cascading between rock formations, the sound of the water in the silence of the countryside and the intense green of the surroundings make it the perfect complement to the underground experience. It is the ideal place to relax, take photographs and soak up the nature in the Valencian Community far from the crowds.
A local secret which you can now discover with us.
Practical information about the new excursion
The excursion includes:
- Transport return journey from Valencia
- Home to the Caves of San José
- Ticket to the Salto de la Novia
- Official local guide in several languages
- Boat trip along the underground river
It is advisable Wear comfortable, waterproof footwear, and bring a towel, a change of clothes, water and snacks/food. This is not a recommended excursion not suitable for people with reduced mobility or those with claustrophobia.
Book your place on this adventure now here.
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