Afon Tarell
The Afon Tarell is a river in Powys , Wales , which rises to the west of the Brecon Beacons in Brecon Beacons National Park and flows north , then north-east , for into the River Usk . 
<triplet> Afon Tarell <subj> River Usk <obj> mouth of the watercourse <triplet> Powys <subj> Wales <obj> located in the administrative territorial entity <triplet> Wales <subj> Powys <obj> contains administrative territorial entity <triplet> Brecon Beacons <subj> Powys <obj> located in the administrative territorial entity <triplet> Brecon Beacons National Park <subj> Powys <obj> located in the administrative territorial entity <triplet> River Usk <subj> Afon Tarell <obj> tributary