Cap de Caça, Limestone promontory in Alghero, Italy
Cap de Caça is a limestone promontory on Alghero's coast featuring steep cliffs that rise 180 meters above sea level and extend directly into Mediterranean waters. The landmass contains several caves, including Neptune's Grotto and other cave formations that run along the rocky mass.
The promontory was first explored by local fishermen who discovered Neptune's Grotto in the 18th century, bringing the site to wider attention. Archaeological evidence indicates people visited this location in ancient times, possibly for several thousand years before that discovery.
The name derives from Sardinian meaning "hunting cape," reflecting the ancient hunting traditions once practiced along this shore. Today visitors can notice remains of Nuraghic settlements and Roman structures within the protected marine area.
You reach Neptune's Grotto by climbing a 656-step staircase called Escala del Cabirol or by taking boat services from Alghero harbor. The best time to visit is during calm weather, when accessibility is highest.
The area contains Nereo Cave, one of Europe's largest sea caves, extending through multiple underwater tunnels. This submerged marine landscape remains hidden from most visitors, as access is reserved for experienced divers.
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