Treharris is a village and also area (as well as electoral ward) in the Taff Bargoed Valley in the south of Merthyr Tydfil County Borough, South Wales. It is located regarding 0.6 miles (1.0 kilometres) west of Trelewis, where it is divided by the Taff Bargoed river, and 0.9 miles (1.4 kilometres) from Nelson in Caerphilly area borough and also has a population of 6,252, raising to 6,356 at the 2011 Census. As a community, Treharris consists of the villages of Quakers Yard as well as Edwardsville. Because of pitch and narrowness of both the Taff and also Taff Bargoed valleys at Treharris a number of notable bridges as well as viaducts have actually been built in the location. During the early 21st century, like lots of ex-mining towns in the location, Treharris underwent significant regrowth to the town/village centre. A lot of, otherwise every one of the land where Deep Navigating was located has been designed and is now part of the brand-new Parc Taff Bargoed, where many of the neighborhood football and also rugby teams train and also play.