As the photos at
http://www.mz-web.de/quedlinburg/-unglu ... 17824.html
show the German Brocken mountain is rather built-up.
EDIT: The gallery at mz-web just above shows the mast of the weatherstation into which the Cessna 182 crashed.
Also see http://en.wikipedia.org/wiki/Sender_Brocken
and
http://en.wikipedia.org/wiki/Brocken#Bu ... he_Brocken
http://aviation-safety.net/wikibase/wiki.php?id=165394