The New Dam ( tr, Yeni Bent), a.k.a. Mahmud II Dam ( tr, II. Mahmut Bendi), is a historic dam located in

Sarıyer Sarıyer () is the northernmost district of Istanbul, Turkey, on the European side of the city. It consists of the neighbourhoods of Rumelifeneri, Tarabya, Yeniköy, İstinye, Emirgan and Rumelihisarı. Sarıyer also administers the Black Sea c ...

district of

Istanbul Province ) , postal_code_type = Postal code , postal_code = 34000 to 34990 , area_code = +90 212 (European side) +90 216 (Asian side) , registration_plate = 34 , blank_name_sec2 = GeoTLD , blank_in ...

, Turkey. The New Dam was built in 1830 by Ottoman

Sultan Sultan (; ar, سلطان ', ) is a position with several historical meanings. Originally, it was an Arabic abstract noun meaning "strength", "authority", "rulership", derived from the verbal noun ', meaning "authority" or "power". Later, it ...

Mahmud II Mahmud II ( ota, محمود ثانى, Maḥmûd-u s̠ânî, tr, II. Mahmud; 20 July 1785 – 1 July 1839) was the 30th Sultan of the Ottoman Empire from 1808 until his death in 1839. His reign is recognized for the extensive administrative, ...

(reigned 1808–1839). The dam is situated next to

Valide Dam Valide Dam ( tr, Valide Bendi) is a historic dam located in Sarıyer district of Istanbul Province, Turkey. Valide Dam was built in 1796 by Ottoman Sultan Selim III (reigned 1789–1807) to provide water for the donations in Eyüp of his moth ...

north of

Bahçeköy, Sarıyer Bahçeköy is a neighborhood of Sarıyer district in Istanbul Province, Turkey. Bahçeköy is situated from Sarıyer.It is bordered by Fatih Forest, Çayırbaşı, Büyükdere, Kemerburgaz, Zekeriyeköy and Gümüşdere. Institutions within ...

inside the

Bentler Nature Park Bentler Nature Park ( tr, Bentler Tabiat Parkı) is a nature park located in Sarıyer district of Istanbul Province, Turkey. Bentler means "dams" in Turkish language. Situated from Bahçeköy neighborhood of Sarıyer, it covers an area of . I ...

, which is part of the

Belgrad Forest Belgrad Forest ( tr, Belgrad Ormanı) is a mixed deciduous forest lying adjacent to Istanbul, Turkey. It is named after the village next to the forest, settled by thousands of Serbs who were deported to the capital Constantinople from the city of ...

. The New Dam impounds a tributary of Acıelma Creek and has a catchment area of . It is a solid

gravity dam A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by using only the weight of the material and its resistance against the foundation to oppose the horizontal pressure of water pushing against it. ...

constructed in masonry having a circular form. The dam is high from the

thalweg In geography and fluvial geomorphology, a thalweg or talweg () is the line of lowest elevation within a valley or watercourse. Under international law, a thalweg is the middle of the primary navigable channel of a waterway that defines the bounda ...

and long at crest. The crest is and the base is wide. The dam has a reservoir capacity of .

References

Gravity dams Dams in Istanbul Province Dams completed in the 19th century Buildings and structures of the Ottoman Empire Sarıyer Belgrad Forest {{Turkey-dam-stub