In the 1960s, the entire mountain range was fortified to act as a defense for the great fortress of Groznyj Grad. The area near the top was dug out with bunkers and trenches, along with ZU-23 anti-aircraft gun emplacements, providing an almost impenetrable wall against enemy attack. A provisions storehouse, a medical supply storehouse, and an armory were located in the hillside area, the provisions storehouse being there due to rations being hard to come by, along with an armory at the summit. In addition, a bunker was also located on the hillside that contained an RPG-7. In addition, ruins existed on top of the mountaintop that led to a vista. Because of its height, Krasnogorje sometimes experiences snowfall at the top of the base. An underground passage existed that acted as an air-raid