Triangulation Pillar S7307: Pendefig   

Location
Grid reference: SH 34361 73674.
Landranger 114: Anglesey.
Waypoint: TP5368.

Neighbouring Triangulation Pillars

S7328	Aberffraw 5.15km to the south.
S7294	Hermon 6.82km to the southeast.
S7233	Rhoscolyn 8.18km to the west.
S7320	Cefn-Cwmmwd 8.95km to the east.
S7306	Carmel 9.89km to the northeast.

The nearest fundamental bench mark is Holyhead, 13.74km to the northwest.

Third Geodetic Levelling, England & Wales (1950-68)
This triangulation pillar was used during the Third geodetic levelling, England & Wales. It was included on the Caernarvon to Holyhead levelling line.