Reay is a coastal village 3 miles west of Dounreay.
Located west of the small village of Reay is a lay-by adjacent to a quarry on the A838 where a single rough track leads off into the heather.
Situated about 180m along the track leading south from the lay-by and a further 73m east of this track is the remains of the OB.
Very little remains, only some timber and corrugated sheeting along with a section of ventilation pipe.
As the Patrol OB was near to a coastal location, Sandside Bay would have been on their list of potential targets had it been used for a Naval vessel supply route and possible anchorage.
The A836 is also nearby and would have been an essential main supply route for any transportation of troops and equipment around the peninsula of Caithness and Sutherland as well as troops possibly utilising the unfinished airfield at Dounreay.
Training was conducted at Langwell which is near to Golspie, for combined training with members of other Patrols. This was carried out by Scout sections from the Seaforth and Cameron Highlanders.