Straddling a field boundary 20 yards north of an un-named minor road.
OPEN The post is incorporated into the boundary hedge and only the access shaft is easily accessible although all other surface features are in place. The hatch is open but the post is flooded to within a foot of the ceiling of the monitoring room. One side of the compound fencing exists in the hedge.
Opened in 1963 and closed in 1968, reopened and finally closed in 1991.