Callanish X (or "Na Dromannan", "Druim Nan Eun") is the collapsed remains of a stone circle. It one of many megalithic structures around the more well-known and larger Calanais I on the west coast of the isle of Lewis, in the Western Isles of the Outer Hebrides, Scotland.
The fallen stones lie on the summit of the rocky ridge, Druim nan Eun.
The stones were examined from 2003–6 in an excavation involving the removal of the covering layer of peat.[1] These excavations revealed that the circle had comprised a ring of seventeen stones, of which two are missing and the remaining fifteen are fallen.[1] Within the central area are another five fallen stones which formed an inner circle.[1]
There is also an outlying stone which stood to the north and two stones which stood to the south.[1] The two southern stones, together with two naturally-positioned erratic stones, appear to have formed a short entranceway, or avenue, leading upslope from the south.[1]
The stones at Callanish X had been erected on bare rock, where it was impossible to dig pits or sockets in the tough bedrock.[2] Hence the stones had been held in place by jamming smaller stones around their bases.[1] This was inadequate to hold them long term, and most of the monoliths had fallen after "several hundred years".[2]
