Dupnisa Cave is located in the Thracian region of Turkey, in the Kırklareli province, and is known for its fascinating natural formations. The cave is particularly famous for its stalactites and stalagmites, making it a popular destination for nature lovers interested in exploring underground treasures. The cave is approximately 1500 meters long, of which 700 meters are open to visitors.

Dupnisa Cave has two entrances – one for the dry section and the other for the water section. The water section is formed by underground rivers inside the cave, and sometimes access to this part may be restricted when water levels are high.

The cave attracts visitors not only with its biological diversity but also with its natural formations. As you go deeper into the cave, mesmerizing views of hanging and vertical stalactites and stalagmites unfold. Additionally, the area surrounding Dupnisa Cave provides an important ecosystem for animals such as birds and bats.

Dupnisa Cave offers a unique experience for both nature and geology enthusiasts and is an important destination for eco-tourism.