2 Neolithic burial chambers , below the peaks of Carn Llidi.
One Consisting of a Capstone , supported by an upright stone over a rock cut pit .
The other has a disloged Capstone ( On the left of this photo ,
with Ivy growing on the Capstone )
Concrete and Brick foundations are in this area , the remains of a WW1 Hydrophone
Station (To detect Submarines) , and a WW2 Radio , Observation , and Radar Station .
Ref: 10286
Date: 22/06/2012
Location: SM 735 278