The CrystalCave is located on the territory of the National Geopark Westerwald-Lahn-Taunus(Nationalen Geoparks Westerwald-Lahn-Taunus). This geological formation isconsidered Germany’s largest and has not been investigated to the end. Going350 steps down, you can see a spacious hall, covered with crystals, similar tobunches of grapes.
The transparent stalagmites columnsare of human height and the beautiful illumination makes the cave like afairytale grotto full of treasures. The cave is open from April to October. Atour in it will take about 45 minutes.