Cefn Mawr

Cefn Mawr (Welsh: Cefn-mawr; Welsh pronunciation) is a village in the community of Cefn within Wrexham County Borough, Wales. Its name translates as "big ridge". The population in 2001 was 6,669, increasing to 7,051 in 2011.

The community of Cefn comprises the villages of Cefn Mawr, Cefn-bychan ("little ridge"), Acrefair, Penybryn, Newbridge, Plas Madoc and Rhosymedre and is situated on the northern slopes of the Dee Valley.