| New Dam | |
|---|---|
.jpg) New Dam (Mahmut II Dam) inside the Bentler Nature Park | |
  Location of New Dam in Istanbul | |
| Official name | Yeni Bent |
| Country | Turkey |
| Location | Bahçeköy, Sarıyer, Istanbul Province |
| Coordinates | 41°11′23″N 28°59′10″E / 41.18972°N 28.98611°E |
| Opening date | 1830 |
| Dam and spillways | |
| Type of dam | Solid gravity dam |
| Impounds | A tributary of Acıelma Creek |
| Height (thalweg) | 15.62 m (51.2 ft) |
| Length | 101.55 m (333.2 ft) |
| Width (crest) | 6.90 m (22.6 ft) |
| Width (base) | 9.40 m (30.8 ft) |
| Reservoir | |
| Total capacity | 217,500 m3 (7,680,000 cu ft) |
| Catchment area | 0.83 km2 (0.32 sq mi) |
The New Dam (Turkish: Yeni Bent), a.k.a. Mahmud II Dam (Turkish: II. Mahmut Bendi), is a historic dam located in Sarıyer district of Istanbul Province, Turkey.
The New Dam was built in 1830 by Ottoman Sultan Mahmud II (reigned 1808–1839).[1]
The dam is situated next to Valide Dam north of Bahçeköy, Sarıyer inside the Bentler Nature Park, which is part of the Belgrad Forest.[2][3]
The New Dam impounds a tributary of Acıelma Creek and has a catchment area of 0.83 km2 (0.32 sq mi). It is a solid gravity dam constructed in masonry having a circular form. The dam is 15.62 m (51.2 ft) high from the thalweg and 101.55 m (333.2 ft) long at crest. The crest is 6.90 m (22.6 ft) and the base is 9.40 m (30.8 ft) wide. The dam has a reservoir capacity of 217,500 m3 (7,680,000 cu ft).[1]