Grotta Su Marmuri

One of the largest and most scenic karst cave systems in Europe, with a visitable route of around 850 metres winding through colossal chambers adorned with stalactites, stalagmites and age-old columns. The internal temperature remains constant at around 14 °C throughout the year. Guided tours are available from April to October and allow visitors to admire crystal formations of rare beauty, including the spectacular «Hall of Wonders».