To the north the Austrian Alpine Foreland is the boundary, between the points where the rivers Salzach and Traun spill out into the Foreland near Salzburg and Gmunden respectively.
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To the south the border runs from Lake Hallstatt up the Gosau Valley to Gschütt Pass, and from there downhill along the Rußbach Valley, separating the Salzkammergut Mountains from the Tennengebirge in the southwest, and the Lammer creek to its confluence with the Salzach near Golling.
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