Chaloos River is a river of northern Iran. It flows through the Alborz mountain range and into the Caspian Sea.
| Map of central Alborz | Peaks: | 1 `Alam Kūh |
|---|---|---|
| 2 Āzād Kūh | 3 Damāvand | |
| 4 Do Berar | 5 Do Khaharan | |
| 6 Ghal`eh Gardan | 7 Gorg | |
| 8 Kholeno | 9 Mehr Chal | |
| 10 Mīšīneh Marg | 11 Naz | |
| 12 Shah Alborz | 13 Sīālān | |
| 14 Tochal | 15 Varavašt | |
| Rivers: | 0 | |
| 1 Alamūt | 2 Chālūs | |
| 3 Do Hezār | 4 Harāz | |
| 5 Jājrūd | 6 Karaj | |
| 7 Kojūr | 8 Lār | |
| 9 Nūr | 10 Sardāb | |
| 11 Seh Hazār | 12 Shāh Rūd | |
| Cities: | 1 Āmol | |
| 2 Chālūs | 3 Karaj | |
| Other: | D Dīzīn | |
| E Emāmzādeh Hāšem | K Kandovān Tunnel | |
| * Latīān Dam | ** Lār Dam |