Milecastle 18, Roman fortification at East Wallhouses, Northumberland, England.
Milecastle 18 measures 16.36 meters east to west and 18.14 meters north to south, with stone walls reaching 2.36 meters in thickness.
Constructed in 122 CE during Emperor Hadrian's reign, this fortification functioned as one of 80 defensive structures positioned along the northern frontier of Roman Britain.
The site demonstrates Roman military engineering through its visible platform and foundation remains, serving as a research location for archaeological studies.
Located near the Military Road, visitors can observe the remaining 0.5-meter high platform and examine information panels explaining the fortification's strategic purpose.
This milecastle stands as the single example among 80 structures combining Type I gateways with a long-axis design, indicating construction by different Roman legions.
Location: Northumberland
Part of: Hadrian's Wall
GPS coordinates: 55.00978,-1.92632
Latest update: March 6, 2025 15:26
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