Rhondda (rŏnˈdə, Welsh rônˈħə) [key], city (1991 pop. 70,980), Rhondda Cynon Taff, S Wales, on tributaries of the Taff River. Coal mining, once the chief occupation, has disappeared. Light manufacturing and quarrying are the main industries. A mining heritage museum is at Treharris.
See more Encyclopedia articles on: British and Irish Political Geography