Coordinate calculation
The final coordinates are N 61° 59.ABB' W 006° 49.CDB'
A = The number Reynsmúlalág has on the map. See the picture "Map".
B = 25 meters southwest from the speakers chair, stones on the ground forms this number.
C = The number of country codes on the sign post, divided by 2. See the picture "Country codes.
D = The number of stones used as foundation in the speakers chair, multiplied with 2.
By the way, the first cache placed in the Faroe Islands was located in the vicinity.