From Maria Trens sul sentiero 2A to the Valgenäun hamlet, passing by the St. Valentines Church and further on trail 2A to the Niederflans hamlets. Turn right here in trail 3 and straight to the bunker with a beautiful panoramic view on the valley. Descent to the Mauls village on trail 3. Return to Maria Trens with the public bus (310). Lunch possibilities: Gasthaus Jägerheim, Restaurant Romantik Hotel Stafler, Gasthof Post, Restaurant Bircher.