Bolków Castle
Bolków Castle – a castle located in Bolków on the Castle Hill (Wzgórze Zamkowe, Polish), with a 396 metres, where the hillside is cut by the Nysa Szalona river, with a sharp precipice (with a sudden drop of 90 metres); the eastern side of the hill gradually lowers, taken up by the town. The castle is an upland stronghold, covering an area of 7600 m². The castle is located in Bolków (30 km to the north-west of Wałbrzych), Lower Silesian Voivodeship; in Poland.
More information: https://en.wikipedia.org/wiki/Bolk%C3%B3w_Castle