I was skiing Garmisch yesterday, for the first time on the main mountain.
Exept for the first 300 m from the top of the Alpspitz-Bahn most of the terrain is within the timberline or below with runs O.K. for beginners and intermediates, but definitely not for experts. Not much open-bowl skiing as you maybe would expect to find in the Alps. I was hoping to kill some freshies off-road after the last midweek dump, but it turned out to be sunbaked, deep sludge with a thick crust layer on top of it-pretty shitty springtime conditions. They got one or two gnarly off-piste descents right under the tram for those who know the way out there, though, else not much room to freeride. Lots of narrow trails to connect the lifts.
The Zugspitzplatt is almost 1000 m higher, accessible with the trams from Eibsee and Ehrwald, but only 6 small lifts up there. There is a descend down to Ehrwald, but don't forget your rope: there's a 30m rappel in between.