page_title: Milecastle 51
section_title: Associated Turrets
hierarchical_section_title: Milecastle 51 / Associated Turrets
caption_attribution_description: English: Turret 51a (Piper Sike)
context_page_description: Milecastle 51 was a milecastle on Hadrian's Wall.
context_section_description: Each milecastle on Hadrian's Wall had two associated turret structures. These turrets were positioned approximately one-third and two-thirds of a Roman mile to the west of the Milecastle, and would probably have been manned by part of the milecastle's garrison. The turrets associated with Milecastle 51 are known as Turret 51A and Turret 51B.
caption: Turret 51A
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