Together with Häusl Stefan and Christina(who came with us the first 2000 vertical meters) we did all 4 valleys which start from Mayrhofen in one single day .
1. Schlegeis dam
2. Hintertux glacier
3. Zillergrund dam
4. Stillup dam
3756 vertical, 142km, 7h 20min... 
Hochfeiler north face in the back - good memories on my descent in 2005
This was an exhausting and very nice day, followed by a good Wiener Schnitzel and some beer...
Just 2 days later, me and Christina did like a small Zillertal crossing. This time with our mountain bikes and about 1500m higher. We started our tour from Schwaz up to Loassattel and down to the ski area Hochfügen. Then up again to Rastkogel hut from where super nice trails brought us down to Mayrhofen. The next day we biked up and down from Penken to Hintertux, up to Tuxerferner hut and again a fantastic trail to Schmirn and finally to Matrei. 
from Hochfügen to Mayrhofen
always looking for trails and lines for winter time...
just beautiful... ;)
Hintertuxer glacier in the back
trail to Schmirn
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