Penrhos is a village in the community of Whitecastle in Monmouthshire, south east Wales, United Kingdom.
Penrhos has an old Norman motte and bailey castle site.
Penrhos sits on a tributary stream of the River Trothy.
The parish church St Cadoc's Church, Penrhos, is dedicated to Saint Cadoc [1] and is a grade II* listed building.
This article relating to a location in Monmouthshire is a stub.