Trig pillar on the summit of Collin Mountain to the south-west of Belfast. The pillar sits at 328m above sea level. Access is straightforward, from a field gate at the junction of the Ballycollin and Groganstown roads to the south-west of... (more)
Trig pillar on the summit of Collin Mountain to the south-west of Belfast. The pillar sits at 328m above sea level. Access is straightforward, from a field gate at the junction of the Ballycollin and Groganstown roads to the south-west of... (more)
Flush bracket benchmark on Collin trig pillar J2670 : Collin Triangulation Pillar.
The number on the bracket is OSNIBM 2068.
The mark hasn't been levelled, but the pillar sits at 328m above sea level.