In reply to Anonymous:
If you haven't altready found it, try: www.blaueishuette.de
All in German I'm afraid, but if you go to "downloads" there is a pdf document specifically devoted to bouldering.
that should put you on the right track.
It's in the Hochkalter range of the Berchtesgaden Alps. 2 to 3 hours walk from Ramsau or Hintersee.