Gun Tunnel of the Third Army

The Gun Tunnel is an underground tunnel network used by the Italian army during the Great War and is made up of various tunnels inside Peak 3 of Mount San Michele.
The complex runs along two main galleries and was initially dug to house eight medium-calibre cannons. In 1922 it was declared a Sacred Area.
Today the Gun Tunnel has been reopened to the public following recovery work promoted by the Carso 2014+ project from the Province of Gorizia. Inside, visitors can see the concrete bases on which the cannons sat, the corridors, and the rooms used by the troops as deposits for materials, infirmary and dormitories. From 1917, these spaces in the heart of Peak 3 were also used as the headquarters of the Tactical Command of the Third Army.

LocationSagrado, Gorizia, Italy
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