Die Burg Katz in St. Goarshausen, Rheinland-Pfalz, Southwestern Germany. St. Goarshausen is located in the Rhein-Lahn-Kreis on the eastern shore of the Rhein within the Nassau Nature Park and the Rhine Gorge UNESCO world heritage site. It was historically part of the Duchy of Nassau. It’s ~30 km south of Koblenz, above all, famous for the Lorelei rock. The local economy is based on wine making and tourism; the railway station connects it with Wiesbaden, Frankfurt/Main, and Koblenz. There are 2 castles, Burg Katz (Castle Cat) and Burg Maus (Castle Mouse). :) Burg Katz is not open for visitors, but there’s a good view over the town from Burg Maus, also visible are the ruins of Burg Rheinfels on the other side of the Rhein. On the 3rd weekend in September, there’s the Rhein in Flammen event, spectacular large firework displays from Burg Katz, Burg Rheinfels, and from the middle of the Rhein.