Milecastle 20, Roman fortification on Hadrian's Wall, England
Milecastle 20 stands as a rectangular stone fortification situated along Hadrian's Wall with walls reaching 1.75 meters in height.
The structure was initially constructed from turf and wooden palisades in 122 AD before being rebuilt in stone during the 130s by Roman legionaries.
The fortification represents Roman military architecture and engineering methods, demonstrating the standardized defense system implemented across northern Britain.
The remains can be accessed through designated walking paths connecting multiple sections of Hadrian's Wall for visitors interested in Roman history.
The garrison housed between 16 to 32 Roman soldiers who maintained surveillance of the surrounding territory and controlled passage through the wall.
Part of: Hadrian's Wall
GPS coordinates: 55.01272,-1.97206
Latest update: March 7, 2025 20:44
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