| River Erewash | |
|---|---|
 The River Erewash, Derbyshire | |
| Etymology | wandering, marshy river |
| Location | |
| Country | England |
| Counties | Derbyshire, Nottinghamshire |
| Physical characteristics | |
| Source | |
| • location | south east of Kirkby-in-Ashfield |
| Mouth | |
• location | confluence with River Trent at Attenborough Nature Reserve |
The River Erewash /ˈɛrɪˌwɒʃ/ is a river in England, a tributary of the River Trent that flows roughly southwards through Derbyshire, close to its eastern border with Nottinghamshire.