Brandenberg Valley, Tyrol, rugged northern lateral valley of the Lower Inn valley. Runs between the Sonnwendgebirge mountains and the Hintere Sonnwendjoch pass towards the north-south from the Bavarian border to Kramsach. The Brandenberger Ache stream flows through the wooded valley (gorges with steep paths for cattle). Centre of the area: Brandenberg (alt. 919 m, pop. 1454).