“On the eminence above Matlock Church, called Riber Hill, are the remains of what has been supposed a Druidical altar, but which has more resemblance to a cromlech; it is called the Hirst Stones, and consists of four rude masses of gritstone, one of which, apparently the smallest, is placed on the others, and is computed to weigh about two tons, on the upper side of which is a circular hole, made for the reception of a pillar in modern times...”
T. Bateman “Vesitiges of the Antiquities of Derbyshire.