Festungswerk Hondrich — Kp Heinrich
![Festungswerk Hondrich — Kp Heinrich](/upload/gallery/22698/6232-vlldlofbrv-1920.jpg)
The former Hondrich A1956 fortress was broken out in 1941-1943 in the upper part of the Hondrich hill near Spiez. It is a main tunnel over 300 m long with four double observation stands, several radio niches and two entrances, each with a slot for close defense.