Welsh Valley is a region in South Wales, United Kingdom. It is made up of two valleys, the Rhondda Valley and the Cwm Valley. The Rhondda Valley is a former coal mining valley in the county borough of Rhondda Cynon Taf, while the Cwm Valley is a former industrial valley in the county borough of Neath Port Talbot. Both valleys are now popular tourist destinations, offering a variety of activities such as walking, cycling, and sightseeing.