Unchambered long barrow

European megalithic monument

The unchambered long barrow earthen long barrow, non-megalithic long barrow or non-megalithic mound, is a type of long barrow found across the British Isles, in a belt of land in Brittany, and in northern Europe as far east as the River Vistula. The term "unchambered" means that there is no stone chamber within the stone enclosure. In Great Britain they are often known as non-megalithic long barrows or unchambered long cairns.

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