Prohodna Cave, Natural cave formation in Karlukovo, Bulgaria.
Prohodna Cave is a limestone cave that extends roughly 365 meters through the rock, with two large openings at opposite ends serving as entrances. The passage reaches heights of up to 45 meters in places and displays layered rock formations throughout its interior.
People occupied this cave during the Neolithic and Chalcolithic periods, as shown by archaeological remains found within. These early settlements indicate the site served as an important refuge for prehistoric communities.
The two symmetrical openings in the ceiling are called the Eyes of God by local people, shaping how visitors experience this place spiritually. This name reflects how the cave's natural features have become woven into the way the community understands and relates to the landscape.
You can reach the cave from the Small Entrance where parking is available and guided tours are offered. Wear sturdy shoes since surfaces inside can be slippery and uneven in places.
Climbers know this cave for its many routes with names like Pop Folk, Hip Hop, and Black Metal that reflect contemporary culture. The creative naming shows how outdoor enthusiasts have made this geology site part of their own community.
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