| Afon Nyfer River Nevern | |
|---|---|
 | |
| Location | |
| Country | Wales |
| Counties | Pembrokeshire |
| Villages | Felindre Farchog, Nevern |
| Physical characteristics | |
| Source | |
| • location | northeast of Crymych |
| • coordinates | 51°59′03″N 4°37′30″W / 51.9841°N 4.6249°W |
| Mouth | |
• location | Newport, Pembrokeshire |
• coordinates | 52°01′21″N 4°50′41″W / 52.02245°N 4.8446°W |
| Length | 18 km (11 mi) |
The River Nevern (Welsh: Afon Nyfer) is a river in Pembrokeshire, Wales. Its source is north of the village of Crymych and its length is about 11 miles (18 km) to its estuary at Newport, Pembrokeshire.