The Zillertal ("Ziller valley") is a valley in Tyrol, Austria that is drained by the Ziller river. It is the widest valley south of the Inntal ("Inn valley") and lends its name to the Zillertal Alps, the strongly glaciated section of the Alps in which it lies. The Tux Alps lie to its west, while the lower grass peaks of the Kitzbühel Alps are found to the east.

The Zillertal is one of the valley areas in Tyrol most visited by tourists. Its largest settlement is Mayrhofen.

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Geomorphological map was created in ArcGIS software.