| Calul River | |
| Calu River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Neamţ County |
| Tributaries | |
| - left | Hănţău, Falcău, Stăunoiu, Butoaia, Râul Popii |
| - right | Dragu |
| Villages | Poieni, Piatra Şoimului |
| Mouth | Bistriţa |
| - location | Piatra Şoimului |
The Calul River or Calu River is a tributary of the Bistriţa River in Romania.