⚠️ Motorists please note, you won't be able to travel along the B4558 Cwm Crawnon Road and it is safer to stop trying especially from Llangynidr to Crickhowell. #StormDennis pic.twitter.com/c0Sd4xhPUj

— Glanusk Estate, Brecon Beacons (@Glanusk) February 16, 2020