The Western Cleddau is a river located in Pembrokeshire, Wales. It flows through the picturesque landscape of the Pembrokeshire Coast National Park and is known for its scenic beauty and rich biodiversity. The river is approximately 20 miles long and eventually joins the Cleddau Estuary. The Western Cleddau is an important habitat for various wildlife species, including birds and fish. It is also a popular spot for outdoor activities such as kayaking and fishing. The river's waters are influenced by the surrounding geology, which includes sandstone and shale formations, contributing to its unique ecosystem.