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The Buchenlochhöhle is one of the few natural caves in the area, not a former quarry or mine. There are numerous holes in the Eifel area which are called Höhle (cave), but are not natural. The area has numerous volcanic sites, but there is the Munterley (aka Drohende Ley) rock, which is the karstified remains of a middle Devonic coral reef. The cave was named after the typical vegetation of the area, Buche is the German name for beech tree.
The Buchenlochhöhle is a karst cave with impressive entrance portal, showing the typical form of a cave formed along a cleft. The entrance is some 30m long and has an average width of 4m. The floor is much higher than the surroundings, but it may be easily reached by a wooden staircase. Its possible to visit the cave without a torch, but it is better with a lamp. The floor is almost horizontal, normal hiking clothes are sufficient for the visit.
The cave was used by animals since the Quarternary, the bones of cave bear and wooly rhinoceros were found. Probably since the Neolithic the cave was visited by humans. But only a single flint blade was discovered in the cave to proof this. Much better is the time of World War II documented, when the cave was used by citizens of Gerolstein as a hideout. The deposits of the millennia filled the cave partially, the ceiling was only 2.4m high. But today the cave is almost completely excavated and the ceiling much higher.