Take line 4094 to Gerlos.
Exit point: Alpine reservoir Durlassboden
Then you hike approx. 5.7 km along the Durlassboden reservoir to the Alpengasthaus Finkau (approx. 1.20 hours).
At the "Alpengasthaus Finkau"
Alpengasthof Finkau
Zittauer Hütte (2.329 m)