view of main mound, Knowth neolithic passage grave, Boyne Valley, Ireland

- Image ID: BRNXM4
view of main mound, Knowth neolithic passage grave, Boyne Valley, Ireland
B.O'Kane / Alamy Stock Photo
Image ID: BRNXM4
Knowth is a Neolithic passage grave, an ancient monument of Brú na Bóinne in the valley of the River Boyne in Ireland. The site consists of one large mound and 17 smaller satellite tombs.
Location: Boyne Valley, Ireland