Pen-y-cae-mawr is a small hamlet of two farms, Cas-Troggy and Penyrheo, above the Wentwood Forest in Monmouthshire, Wales. It lies about east of Llantrisant.
There is a Methodist chapel on the main road, which celebrated its 121st anniversary in 2013. There are also the remains of a Baptist Chapel, known as "Pen Y Well", the churchyard for which has gravestones from the 18th century.
References