|Primary factor [m]||
Fixed point 137m at 30 U 405845 5870389 - located south-west, in the pass along road A499 a little south of the B4417 junction.
|Secondary factor [km]||
Approx. point 30 U 403763 5870604 - located south-west, on the north-east slopes of Yr Eifl.
|Location||UTM: 30 U 407130 5872553|
|Lat/Lon: N52°59'40.2" W4°23'01.3"|
Gyrn Ddu is one of several nice tops along the coast in north-western Wales, offering both a fine walk and nice views.
|Main photo||Gyrn Ddu seen from Yr Eifl.|
|Routes||Gyrn Ddu from road A499|