Valide Dam
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Valide Dam ( tr, Valide 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. Valide Dam was built in 1796 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 ...
Selim III Selim III ( ota, سليم ثالث, Selim-i sâlis; tr, III. Selim; was the Sultan of the Ottoman Empire from 1789 to 1807. Regarded as an enlightened ruler, the Janissaries eventually deposed and imprisoned him, and placed his cousin Mustafa ...
(reigned 1789–1807) to provide water for the donations in
Eyüp Eyüp () or Eyüpsultan is a district of the city of Istanbul, Turkey. The district extends from the Golden Horn all the way to the shore of the Black Sea. Eyüp is also the name of a prominent neighborhood and former village in the district, lo ...
of his mother Mihrişah Sultan (c. 1745–1805), who was titled
Valide sultan #REDIRECT Valide sultan #REDIRECT Valide sultan {{redirect category shell, {{R from move{{R from miscapitalization{{R unprintworthy ...
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during his reign. The dam is situated 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 ...
. Valide Dam impounds Ayazağa Creek, 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 with its crest and the waterside wall covered by marble. Two
buttress A buttress is an architectural structure built against or projecting from a wall which serves to support or reinforce the wall. Buttresses are fairly common on more ancient buildings, as a means of providing support to act against the lateral (s ...
es in distance at toe are attached to the downstream wall to reinforce the structure. 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 18th century Buildings and structures of the Ottoman Empire Sarıyer Belgrad Forest {{Turkey-dam-stub