Caerfanell
The Caerfanell is a river which rises in the central section of the Brecon Beacons National Park in Powys , Wales . 
<triplet> Brecon Beacons National Park <subj> Powys <obj> located in the administrative territorial entity <triplet> Powys <subj> Wales <obj> located in the administrative territorial entity <triplet> Wales <subj> Powys <obj> contains administrative territorial entity