The Mawddach River is located in Wales, flowing from the Cadair Idris mountain range to the Dovey Estuary. It spans approximately 20 miles and is known for its scenic beauty, surrounded by lush landscapes and hills. The river is popular for various outdoor activities, including walking, cycling, and birdwatching. The Mawddach River is also significant for its ecological diversity, supporting various wildlife species. The river's estuary is a designated Site of Special Scientific Interest (SSSI), highlighting its importance for conservation. Its picturesque views make it a favored destination for both locals and tourists exploring the Snowdonia National Park.