It was one of the first ceremonial places in the British Isles and it was first recorded in the 16 century, in one of Jo Ben’s writings. The exact date of the site is unknown and there hasn’t been any digging inside the stone circle to determine its age, but it is believed it dates back to 2500 BC.
There were originally 60 stones in the Ring of Brodgar but only 27 still stand tall today. the last research was conducted here back in the 70s.