The cache can be found at:
A = Zillerkopf (***5)
B = Trinstner (***5)
C = Penkenjoch (***5)
D = Rastkogel (***1)
E = Grublspitz (***5)
F = Gr. Galtenberg (***5)
G = Wanglspitz (***0)
H = Bergstation (at Hochzillertal) (***0)
N 51 00.(A-C)+(F-E)+(F-G)
W 000 42.(E-H)+(B-D)
As of 25/04/13, please minus 5 from the nothings and add 5 to the westings.
Any problems with the puzzle, email me for hints =)