| Grumba River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Maramureş County |
| Source | |
| - location | Lăpuş Mountains Mount Secătura |
| - elevation | 533 m (1,749 ft) |
| - coordinates | |
| Mouth | Iedera |
| - location | Lăpuş |
| - elevation | 394 m (1,293 ft) |
| - coordinates | |
The Grumba River is a tributary of the Iedera River in Romania.