Orkney, Orkney Islands, UK
Mine Howe is a prehistoric subterranean man-made chamber dug 20 feet deep inside a large mound. It is not sure when it was built, some believe it to have been built roughly 2000 years ago during the Iron Age. Some researchers think that it could be as old as 5000 years, which would place it in the Neolithic period. There is some similarity to the well inside the Iron Age Broch of Gurness.
The entrance is at the top of the small hill and there are indications of other Iron Age and earlier activity around the site. A flight of stone steps descend to a half-landing where they turn back on themselves and a further steps descend to a chamber. This chamber is only about 1.3 metres in diameter but is over four metres high with a corbelled roof. At the half-landing two subsidiary chambers/passages open out, one above the other.
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