Sikati Cave, Natural limestone cave in Kalymnos, Greece.
Sikati Cave is a large limestone cavern on Kalymnos featuring a massive circular opening roughly 100 meters across, with sheer vertical walls and natural tufa deposits. The interior expands downward into a dramatic chamber where daylight penetrates through the opening above, illuminating the layered rock formations.
This limestone formation developed over geological time through natural water erosion and mineral deposits. Today it serves as a defining natural feature of Kalymnos, which transformed from a historic sponge-diving hub into a modern climbing destination.
Local residents maintain traditional practices near the cave area, including goat herding along the surrounding mountain paths and rocky terrain.
The cave requires a hike of about 40 minutes from the parking area near Skalia village, with sections being steep and uneven. Fixed ropes are installed at the final descent point to assist visitors safely entering the chamber.
The cave has become a globally recognized climbing destination with around 30 established routes of varying difficulty. The natural limestone formations and overhanging sections attract climbers from worldwide who return seasonally to train on these specific terrain features.
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