The city of Rocks in Adrspach is incredibly unique and unforgettable experience. The hike is 3,5 km long and takes about 3 hours to go between an amazing rock, it is medium hard so you can bring kids with you. The Adrspach Rocks are the largest and most rugged rock city in Central Europe. The first tourists visited the rocks all the way back in the 18th century when the welcoming gate has been built.