Risca (Welsh: Rhisga) is a town in the Caerphilly County Borough and the historic boundaries of Monmouthshire in south-east Wales. Risca has a railway station, opened on the Ebbw Valley Railway in February 2008, after a gap of 46 years. It is split into two communities; Risca East and Risca West. It has a population of 11,700. The town is now part of the Cardiff Capital Region which has a combined population of 1,543,293. Cardiff the capital of Wales can be reached in under 28 minutes from the nearby railway station of Risca and Pontymister station which reopened in 2008 after a gap of nearly 60 years.
The town lies at the south-eastern edge of the South Wales Coalfield and the town has been shaped by mining, together with other heavy industries, for many centuries.Risca is home to Ty-Sign, which is a large housing estate built in the early 1960s as a satellite village for the then new Llanwern steelworks. Risca has a rural aspect and is surrounded to the east and west by several extensively wooded hills including Mynydd Machen (1,188 ft; 362 m) and Twmbarlwm (1,375 ft; 419 m) which attract tourists for the hillwalking and mountain bikers to Cwmcarn Forest Drive.