Fixed point 375 metres at 30 U 433459 5878431 - located north-west, in the saddle east of the north end of Llyn Gwynant.
Approx. point 30 U 454020 5850853 - located south, on the north ridge of Aran Fawddwy.
Arenig Fawr is the twelfth most prominent mountain in Wales, and offers both a nice hike and fine views.
Arenig Fawr seen from south slopes of Arenig Fach.