River Nevern
| 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.