GWERN-Y-BWLCH, a township, in the parish of KEMMES, hundred of MACHYNLLETH, county of MONTGOMERY, NORTH WALES, 71 miles (E. by N.) from Machynlleth, containing 522 inhabitants. It is situated on the right bank of the river Avon Yale, which falls into the Dovey, and on the road from Newtown to Machynlleth. Through a break between the mountains a distant view of Cader Idris is obtained; and this bwlch, or gap, gives name to the township, which contains a great portion of common, affording sheep walks to the contiguous farms.