{{short description|River in Wales}} {{Use dmy dates|date=August 2019}} {{EngvarB|date=August 2019}} right|thumb|Afon Crai from the Pont Felin-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. The headwaters known as Blaen-crai flow north from Bwlch Bryn-rhudd, a col between the Crai valley and the upper Swansea Valley for 2&nbsp;km into the Cray Reservoir. The river emerges from below the dam to flow a further 8&nbsp;km through the dispersed settlement of Crai (or 'Cray').<ref>Ordnance Survey Explorer map OL12 'Brecon Beacons National Park: western area'</ref>

In common with other tributaries of the River Usk and the Usk itself, the Afon Crai is designated as a special area of conservation for its three species of lamprey, twaite shad, European bullhead, Atlantic salmon and otter.<ref>{{cite web |title=River Usk/ Afon Wysg - Special Areas of Conservation |url=http://www.jncc.gov.uk/ProtectedSites/SACselection/sac.asp?EUCode=UK0013007 |website=sac.jncc.gov.uk |access-date=12 July 2021}}</ref>

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{{DEFAULTSORT:Crai}} Category:Rivers of Powys Category:Rivers of the Brecon Beacons National Park

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