The Infanteriebunker Stelsersee is a military bunker located near Stelsersee in the Swiss canton of Graubünden. This defensive structure was part of Switzerland's extensive network of fortifications built to protect the Alpine nation during the Cold War era. Situated in a strategic mountain location, the bunker would have served as a hardened position for infantry forces to defend against potential incursions.
The Stelsersee area is known for its alpine lake and surrounding natural beauty, with the bunker integrated into the rugged terrain as part of Switzerland's national defense strategy.