Marmion Tower | |
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West Tanfield, North Yorkshire, England | |
![]() Marmion Tower, seen from the east | |
Coordinates | 54°12′12″N 1°35′37″W / 54.2034°N 1.5937°W grid reference SE266787 |
Type | Gatehouse |
Site information | |
Owner | English Heritage |
Open to the public | Yes |
Condition | Ruined |
Site history | |
Materials | Magnesian limestone |
Marmion Tower, also known historically as Tanfield Castle, is a 15th-century gatehouse near the village of West Tanfield in North Yorkshire, England. It survived the destruction of the surrounding fortified manor and is now managed by English Heritage.