Birchgrove, Swansea Birchgrove, Swansea Birchgrove () is a large village and community in the City and County of Swansea, Wales. It does not have a community council. The village is situated some 4.5 miles (7 km) north-east of Swansea city centre, between the flood plain of the River Tawe and Mynydd Drumau (Drummau Mountain). Birchgrove also borders Neath Port Talbot. The community of Birchgrove, which includes the village of Birchgrove itself, Lon-las, and parts of Glais, had a population in 2008 of 5,807. Long vistas of the Swansea, Neath and Blaengwynfi valleys are to be had from the top of Mynydd Drumau,
Swansea Reservoirs which supply Swansea include the Cray reservoir and the Lliw Reservoirs, which are operated by Welsh Water. The Local Gas Distribution company is Wales and West Utilities. There was a high rate of car crime during the 1990s. In 2002, the BBC described Swansea as a "black spot for car crime". Car crime is a central theme in the film "Twin Town", which was set in and around Swansea and Port Talbot. The football violence that Swansea experienced during the 1970s–1990s has considerably reduced, the only major clashes occurring between Swansea City supporters and Cardiff City supporters. Many matches