Bayerischer Plöckenstein is a mountain of the Bavarian Forest and Bohemian Forest, on the border between Germany and the Czech Republic. It is not far from the Plöckenstein itself.
Wikipedia https://en.wikipedia.org/wiki/Bayerischer_Plöckenstein
Address 38451, Czech Republic
Coordinates 48°46'19.279" N 13°49'36.998" E