 Probably one of them was in former times once higher.The garden plantings of the castle and the surrounding area were created by the well-known landscape architect Maximilian Friedrich Weyhe, to whose numerous works also belongs the Hofgarten and the world-famous Königsallee.Unterbach lies in the southeast of the city Düsseldorf and is the fifth-largest quarter of Düsseldorf, with an area of 9.13 km2.