Lombard locks, Medieval fortification in Val di Susa, Italy
The Lombard locks are a medieval fortification system in Val di Susa consisting of multiple defensive positions scattered along narrow mountain passages. These positions used natural terrain to control movement through the valley.
The fortification was built by the Lombards to protect the important mountain route against invaders, but lost its purpose after conquest by Charlemagne's forces in 773. This event ended Lombard rule in Italy.
The fortifications represent early medieval military engineering, combining natural mountain barriers with constructed defensive elements across the Alpine territory.
The site is best reached on foot, with narrow mountain paths requiring some physical effort and sturdy footwear. The walk offers views of the valley landscape and remains of medieval structures along the way.
The locks were not built as one continuous structure but as several separate checkpoints spread across wide distances. This scattered arrangement allowed monitoring of different access routes at the same time.
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