Dyfi

The Dyfi, known in English as the Dovey, is a river in mid Wales. It rises in the Cambrian Mountains and flows southwest to Cardigan Bay, forming the Dyfi Estuary as it reaches the coast. The river passes through towns such as Dolgellau and Machynlleth before continuing to the estuary near Aberdyfi and Ynyslas on the shore of Cardigan Bay.

Geographically, the Dyfi watershed covers parts of Powys, Ceredigion and Gwynedd. The lower river and estuary are notable for their broad, tidal flats and saltmarshes, which support a range of wildlife and provide important feeding grounds for migratory birds along the Cardigan Bay coastline. The estuary and surrounding landscapes are popular for outdoor recreation, wildlife watching, and scenic tourism.

Ecology and conservation play a significant role in the Dyfi region. The area is designated as a UNESCO Biosphere Reserve, recognized for integrating natural heritage with sustainable development and cultural traditions. The Dyfi Estuary, including the Ynyslas dunes and nearby nature reserves, supports diverse habitats such as mudflats, saltmarsh, and woodlands. The region is known for wildlife including migratory birds, otters, and a long-running osprey observation project that monitors nesting ospreys in the area.

Human use in the Dyfi valley centers on agriculture, fishing for salmon and sea trout, forestry, and tourism. The river and estuary have shaped local communities and culture for centuries, and the area remains a focal point for conservation, education, and outdoor activities. The Welsh name Dyfi remains the official designation, with Dovey used in English-language contexts.