This is the point where the river 'Ill' is running into the Rhine River.

This is the point where the river 'Ill' is running into the Rhine River. The Rhine makes the border line between Austria (Vorarlberg) on the left side and Switzerland on the right side of the river.
The main rivers in Vorarlberg are the Ill (running through the Montafon and Walgau valleys into the Rhine), the Rhine (forming the border with Switzerland), the Bregenzer Ache and the Dornbirner Ach. (wikipedia)
Picture taken on 13th of March 2017.