| Afon Ogwen | |
|---|---|
 The Afon Ogwen above Bethesda | |
 | |
| Location | |
| Country | Wales |
| Physical characteristics | |
| Source | Llyn Ogwen, Gwynedd |
| Mouth | Menai Strait |
• location | Near Penrhyn Castle, Gwynedd |
Afon Ogwen (Welsh for 'River Ogwen'; Welsh: [ˈɔɡʊɛn]) is a river in north-west Wales draining from some of the greatest peaks in Snowdonia before discharging to the sea on the eastern side of Bangor, Gwynedd.