Soratte Bunker

In the late 1930s, the Italian government commissioned a network of underground galleries and anti-aircraft bunkers under Monte Soratte, about 45 km (28 mi) north of Rome.

Secret excavation work began in 1937 to build a huge air-raid shelter intended to house the Italian government and Comando Supremo should Rome come under siege. The works were conducted by direction of Military Engineering Corps of Rome. Over 4.5 km of underground tunnels were dug into the bowels of the Mountain.[1] The tunnels were reinforced with a layer of cement up to two metres thick and they extended to a depth of over 300 meters (985 feet) underground.[2] The bunker occupied almost 500,000 cubic yards. It had its own water supply, a heating system, electric generator, sewers, radio communications, dormitories, kitchens, storerooms and arms deposits.[3] The complex was initially to spread along 14 km (9 mi) of galleries deep under the mountain, but the work was never completed because of the Italian capitulation.[2]

After the 8 September 1943 Frascati air raid, the extensive bunker became the headquarters of the German occupying forces commanded by Generalfeldmarschall Albert Kesselring.[4][5]

In the 1950s, the Italian Ministry of Defence used the bunker as a powder magazine before abandoning it in 1962. In the 1960s, during the years of Cold War, the bunker was turned into a fallout shelter for the Italian government and President in case of a nuclear attack on Rome. It would have housed 50 members of the government and 50 NATO technicians. Work on the construction of the atomic bunker began in 1967 and lasted until 1972.[2] In 1989 the bunker fell into disuse.[2] It was kept secret until 2008. Soratte underground network can now be visited. 

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  One of the galleries of Soratte bunker
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  Planimetry in entrance gallery
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  Soratte Bunker's entrance
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  Soratte fallout shelter's blast door est

• Paolucci, Gregory; Lo Gaglio, Giuseppe (2013). Il bunker del Soratte - Una montagna di storia. Bunker Soratte. ISBN 978-88-909450-0-7.
• Pugnaletto, Marina; Paolini, Cesira (2019). "Il bunker antiatomico del monte Soratte". Sustainable Mediterranean Construction (1): 421–426. ISSN 2420-8213.

Wikimedia Commons has media related to Monte Soratte Bunker.

• Il bunker di Monte Soratte on YouTube