River Dwyryd
General data
- Name: River Dwyryd
- Water system: Irish Sea
- Water type: River
- Progression: Tremadog Bay -> Cardigan Bay -> Irish Sea -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: Europe
- Countries: Wales (UK)
The River Dwyryd (Welsh: Afon Dwyryd), is a river in Gwynedd, Wales which flows principally westwards; draining to the sea into Tremadog Bay, south of Porthmadog.