OSBM Bolt: The Ayre   

OSBM Bolt, top of wall, N side of steps to pillbox, S of road.

Location
Grid reference: ND 2915 8928.
Landranger 7: Orkney - Southern Isles.
Structure: Unknown.
Waypoint: OS2115.
The nearest fundamental bench mark is Duncansby Head, 19.51km to the southeast.

Logged Visits
Logged on 4th May 2007 by iainmac. Condition: Probably destroyed.
No wall