Shortly after St. Johann, still in the valley of , lie the villages of Kirchdorf in Tirol and Erpfendorf. Between Kössen, which lies in an east-west valley opening onto the Inn trench and also known as Kaiserwinkl, and the Bavarian valley near Schleching the river pierces the Chiemgau Alps in a narrow gorge, the Entenloch. Near Grassau the Tiroler Achen reaches the Alpine Foreland.