The Swinside Stone Circle (aka Sunken Church) has a diameter of 29 metres and still consists of 54 stones, 28 of which are upright. The distance between the stones is 1.5 metres on average. The largest stone measures 2.3 metres and stands to the north. The entrance is located in the south-east between two portal stones and the stones probably originally stood on the inside of a rampart, they are all collapsed inwards.