Esgeiriau Gwynion is a Hewitt of 669.9 m in Gwynedd. It sits below Aran Fawddwy, only 2.9 km to the south-west and 235.7 m higher.
On the Hewitts height ladder it sits between Lavagh More (670 m) and Slievemore (669 m). Its nearest higher summit, Foel Hafod-fynydd (689 m, 1.5 km south-west), is a listed top not profiled here. Its other name is Foel Rhudd. It falls on two OS 1:50,000 sheets, 124 and 125.