Glyn Tarell

Glyn Tarell is a valley and a community in the county of Powys, Wales, and the historic county of Brecknockshire. It is in the Brecon Beacons National Park and at the northern edge of the Brecon Beacons mountains.

The Taff Trail runs through the valley. The administrative area of the community extends over a wide area of sparsely populated land, and extends south beyond the watershed to include the highest part of the River Taff and the Beacons Reservoir. Much of its northern boundary is formed by the River Usk. The peak Pen y Fan is at the eastern boundary of the community. The main villages in the Community are Libanus and Llanspyddid.

Wikipedia