Afon Crai
The Afon Crai is a river in Powys , Wales rising in the Fforest Fawr section of the Brecon Beacons National Park and flowing north into the River Usk . 
<triplet> Powys <subj> Wales <obj> located in the administrative territorial entity <triplet> Wales <subj> Powys <obj> contains administrative territorial entity <triplet> Brecon Beacons National Park <subj> Powys <obj> located in the administrative territorial entity