The River Llynfi is a river located in Wales, specifically in the Bridgend County Borough. It flows through the Llynfi Valley and is approximately 10 miles long. The river is known for its scenic beauty and is surrounded by lush greenery, making it a popular spot for nature enthusiasts. The Llynfi River eventually joins the River Ogmore, contributing to the local ecosystem. The river's waters support various wildlife and provide recreational opportunities such as fishing and walking along its banks. Its importance to the local community is reflected in the surrounding towns, including Maesteg and Nantyffyllon.