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The stones at Callanish are now estimated to have been erected between 2900 and 2600 BC. Radio-carbon dating has helped to establish that the stones are contemporary with Skara Brae in Orkney and predate Stonehenge.. A visitor centre opened in 1996 and has information, books, gifts and a cafeteria. There are many smaller circles of stones in the area of Callanish. They appear to be connected to the main site. Some have been discovered only in recent years as they had fallen or possibly been knocked down in earlier periods. The main circle has one large stone and five radiating stone rows. Two rows form an avenue and are aligned almost true north |
