Chřibský hrádek

Chřibský hrádek, also Karlštejn (German Unterer Karlstein or Wüstes Schloss) is a ruined rock castle near Chřibská (Kreibitz) in the Bohemian Switzerland in the Czech Republic.

Location and area
Chřibský hrádek Castle is located on a rock outcrop in the valley of the Doubický potok (Daubitzbach) not far from the isolated gamekeeper's house of Hájovna Saula (also U Sloupu) that, today, houses an information office for the Bohemian Switzerland National Park. To the north is the small municipality of Doubice (Daubitz), to the east the town of Chřibská.