FAQ
Frequently Asked Questions
Quick answers to help you organize your trip to Turkey's largest underground lake.
Is Altinbesik Cave open in winter?
No, the cave is strictly closed during the winter and early spring. High water levels and flooding make access unsafe. You can only visit between June and November.
Can you swim in Altinbesik Cave?
No, swimming in the underground lake is strictly prohibited. You must explore the water via the official guided inflatable boats. Life jackets are mandatory.
What is the temperature inside Altinbesik Cave?
The cave maintains a constant, cool temperature of 16°C (60°F) all year round. We recommend bringing a light jacket or sweater.
How big is the underground lake at Altinbesik Cave?
The underground lake is approximately 2,200 meters long and reaches depths of up to 15 meters. It is the largest in Turkey and 3rd largest in Europe.
What are the Buttoned Houses in Ormana?
The Buttoned Houses, or 'Düğmeli Evler', are traditional structures found in nearby Ormana village. They are built using a unique mortar-less wood and stone technique.
Is Altinbesik Cave suitable for young children?
The 15-30 minute boat ride is brief and calm, but the mountain drive involves sharp bends. Bring motion sickness medication if your children are prone to car sickness.
Is Altinbesik Cave worth visiting?
Yes, if you enjoy natural geological formations. The massive 40-meter entrance and the turquoise underground water offer a distinct contrast to the coastal resort towns.