| Kavvayi | |
|---|---|
 Kavvayi boat jetty | |
  Kavvayi Location in Kerala, India  Kavvayi Kavvayi (India) | |
| Location | Kerala |
| Coordinates | 12°05′N 75°11′E / 12.09°N 75.18°E |
| Primary inflows | Kavvayi River |
| Basin countries | India |
| Surface area | 37 km2 (14 sq mi) |
| Islands | Kavvayi |
Kavvayi Backwaters, located near Payyanur, is the third largest backwater in Kerala and the largest one in north Kerala.
The Kavvayi Kayal (backwaters) is dotted with several islands of various size. Valiyaparamba is the largest among them at over 16 square kilometres (6.2 sq mi).