Falkenstein Castle, Taunus

Falkenstein Castle (German: Burg Falkenstein), also called New Falkenstein (Neu-Falkenstein), is a ruined hill castle at 450 m above sea level (NHN) in the eponymous climatic spa of Falkenstein, a quarter of Königstein im Taunus in the county of Hochtaunuskreis in the German state of Hesse.