The Kakus cave is one of the most mysterious places in the Eifel mountains. It’s about 300 thousand years old! In the arsenal of local residents there are dozens of romantic and sinister stories devoted to this place. One of them is about the fire-breathing giant Cacus, which the Roman poet Virgil described in his epic "Aeneid". According to tradition, a giant, the son of Vulcan, who gave no rest to local residents, lived in this cave. The cruel giant was defeated by Hercules. He fought with Cacus and freed people from his oppression.
Today everyone can see the legendary Cacus cave with a length of several tens of meters. The main cave -the Great Church (Grother Kirche) from tuff and travertine- is a 15m-high and 30m-wide huge hall. The small Cold Hole cave (Kaltes Loch) is not far from it. The path to it lies through shady oak trees, elms and beech groves. The cave is situated in the picturesque Kartsteinhöhlen nature reserve. People come here in order to breathe fresh air, stroll through the mountain paths between the two caves and have a picnic.