Grossarl Valley, province of Salzburg, southern side valley of the River Salzach in the Pongau region; it is drained by the Grossarlbach stream. The Grossarl Valley is the geological border between the Hohe Tauern and the Niedere Tauern mountains. It starts at the Arlscharte Pass (alt. 2,252 m) and extends to the villages of Huettschlag (alt. 1,030 m) and Grossarl (alt 924 m), the Liechtensteinklamm Gorge and to the point where the Grossarl Valley meets the Salzach Valley, between the villages of Plankenau (alt. 756 m) and Niederuntersberg (alt. 741 m). A passage into the Maltatal valley leads over the Arlscharte, there is a pass into the Murtal valley at the Murtoerl (alt. 2,260 m).