Dating back to 3300–3200 BCE, it is part of the Neolithic Funnelbeaker culture, in short TRB or TBK.
[1] The rectangular grave chamber is embedded in a round barrow of about 20 m diameter, framed by a ring of stones.
The ceiling originally consisted of five large slabs of rock, of which three remain, complemented by two granite beams in 1961.
The passageway, 5 m long and uncommonly wide for this type of grave, opens in two places, with stone doorframes and doorsteps.
[2] In 1960, the grave was excavated by one of Europe's leading experts in late Stone Age burials, Håkon Berg of the Langeland Museum.