|Welsh: Cwm Darran|
Parc Cwm Darran
Darran Valley shown within Caerphilly
|OS grid reference|
|Sovereign state||United Kingdom|
Darran Valley (Welsh: Cwm Darran) is a community in the County Borough of Caerphilly, Wales. The Darran Valley consists of the valley of the Bargod Rhymni and contains the villages of Deri, Pentwyn and Fochriw. These settlements grew around the Industrial Age to serve the collieries of Fochriw, Pencarreg and Groesfaen. As of 2001, the community had a recorded population of 2,545.