Cynon is a river located in Wales, flowing through the Cynon Valley in the South Wales region. It is approximately 20 miles long and is a tributary of the River Taff. The river is known for its scenic beauty and plays a significant role in the local ecosystem. The Cynon Valley, through which the river flows, is characterized by its industrial history, particularly in coal mining. Today, the area has transformed, with efforts to promote outdoor activities and conservation. The river and its surroundings offer opportunities for walking, cycling, and enjoying nature.