[4] It is an active or semi-active speleogenesis cave system that has been forming since the rocks were laid down in the Neogene period, between 7.0 and 2.5 million years ago.
[5] The cave consists of four distinct rock layers, which show that the region underwent four different geomorphological periods.
An east-west directed fault was also instrumental in the formation of the cave in addition to the dissolution of limestone by carbonic acid.
The cave section in the vadose zone, the main gallery and the great collapse chamber, are rich with colorful speleothems such as stalactites, stalagmites, draperies, sinterfahne and dripstones.
[3] Generally, there is little air movement observable in the cave; only at locations with low clearances and at the siphon is any breeze felt.
Surveys conducted by the Zonguldak Medical Chamber showed that patients with respiratory diseases like asthma can benefit, their breathing being temporarily eased by the cave's climate.
The vadose zone, which was formed in the first development phase, is completely dry except for water dripping from the ceiling.
[4] Water coming from inside the cave merges at the entrance of the great collapse chamber, vanishes in the active main gallery and joins Erçek Creek.
During rainy periods, water enters and forms pools on the cave floor of the section between the entrance and the siphon.
Common animals present include a subspecies of flatworm (Platyhelminthes) and black-colored molluscs, observed in the section between the entrance and the siphon.