| Latyan Dam | |
|---|---|
| Location | Tehran Province, Iran |
| Construction began | 1963 |
| Opening date | 1967 |
| Dam and spillways | |
| Height | 107 m |
| Length | 450 m |
| Base width | 99 m |
| Impounds | Jajrood River |
| Reservoir | |
| Creates | 95 Mm3 |
| Bridge | |
| Width | m |
Latyan Dam (Persian: سد لتيان sad-de latyān) is a dam located less than 25 km from Tehran. It is one of the main sources of water for Tehran metropolitan region.
Jajrood River basin is located in the southern part of central Alborz mountain range, the rocks of which date from the Palaeozoic era up to the Quaternary period, as below:
| 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 |