Coves de Sant Josep, Underground river cave system in La Vall d'Uixó, Spain.
Coves de Sant Josep is an underground cave system in La Vall d'Uixó featuring a river that flows through limestone passages. The network extends deep underground and displays natural mineral formations including hanging and rising stone structures.
The caves show traces of prehistoric human settlements discovered during archaeological investigations. These findings led to recognition of the site as an important cultural location and its protection status.
The cave system holds official protection status in Spain, reflecting its role as a preserved natural and archaeological landmark. Visitors notice this care in how the site is maintained and presented to the public.
Visits happen through guided boat tours on the underground river, with about half the system accessible to visitors. The temperature remains stable and cool year-round, so layered clothing is recommended.
The system is rarely known for its boat-navigable underground river, which sets it apart from many other caves. This type of visit offers a special view of the cave landscape that is not accessible by walking trails.
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