Foel Goch is a mountain in north-west Wales, and forms part of the Arenig mountain range.

It is the only member of the Arenig group that lies outside of the Snowdonia National Park.

[1] The summit is grassy and is marked by a trig point, cairn and a boundary stone.

Glacial erratics litter its slopes, with a large one located in Cwm Da.

To the west are Carnedd y Filiast and Arenig Fach, while to the south west are Arenig Fawr and Mynydd Nodol.