| Karuvannur River | |
|---|---|
 | |
| Location | |
| Country | India |
| Physical characteristics | |
| Source | |
| • location | Pumalai Hills |
| Mouth | |
• location | Thrissur Kole Wetlands |
| Length | 48 km (30 mi) |
The Karuvannur River is the fourth largest river in Thrissur District of Kerala. The river is formed by the confluence of the Kurumali river and Manali river.