Another form is the menhir, a simple upright stone usually placed with others to form a circle, as at Stonehenge and Avebury in England, or a straight alignment, as at Carnac in France.

另种形式史前巨石柱，这与其他石放起组成个圆圈石碑，如英格兰巨石阵和爱扶倍利，或排成线，如法国卡尔纳克。