 
  
A standing stone at the north of the isle of Gigha - it now leans considerably out of the vertical towards the east and the top is divided into two peaks by a deep indentation due to the weathering of a natural fissure. Said to be a prehistoric lunar observatory by Alexander Thom - see comment and simulation below on our page from David Hoyle supporting this.
  
 
    
    
    
        Published on June 04, 2023 02:35