Moel Llyfnant is a Hewitt of 750.1 m in Gwynedd. It sits below Arenig Fawr, only 2.6 km to the north-east and 103.9 m higher.
Its nearest higher summit, Arenig Fawr South Top (837 m, 2.4 km north-east), is a listed top not profiled here. It falls on two OS 1:50,000 sheets, 124 and 125.