The summit is grassy and has a trig point, while the terrain surrounding the summit is heathery and boggy. The summit is the highest in a ridge that forms the western backwall of Cwm Hirnant. Two other summit lie along the ridge: Trum y Gwragedd and the Hewitt Foel Goch (Hirnant). To the south-west lies Moel y Cerrig Duon, to the east lies Pen y Boncyn Trefeilw and Cyrniau Nod.