Maen Llia

Maen Llia is a standing stone which sits on moorland at grid reference SN924192 in the Brecon Beacons National Park in Powys [1]. The stone which is a large piece of intraformational conglomerate from the Old Red Sandstone measures 3.7 m high by 2.8 m wide by 0.9 m [1]. It is roughly diamond-shaped and is partly moss-covered [1]. It sits on a purpose made stone and earth mound [1]. It is thought to date from the Bronze Age or later Neolithic [1]. The stone is a Scheduled Ancient Monument [1].