Ancient CivilizationsBryn Celli Ddu – Burial Chamber and Henge Ynys Môn Posted on January 29, 2021 by Administrator Bryn Celli Ddu (the mound in a dark grove) is the best passage grave in Wales. It started as a late Neolithic henge or ritual enclosure, with a stone circle surrounded by a bank and internal ditch. A later passage grave was built inside the ditch; the north-east entrance to the burial chamber is retained by a kerb of stones, which with the dry-stone walling of the outer passage, creates an elaborate forecourt.
