The Cuckoo Stone is a Neolithic or Bronze Age standing stone. The stone, which is now fallen, is in a field near to Woodhenge and Durrington Walls in Wiltshire, England. It is part of the wider Stonehenge Landscape.
Wikipedia https://en.wikipedia.org/wiki/Cuckoo_Stone
Address SP4 8, United Kingdom
Coordinates 51°11'20.904" N -1°47'29.884" E