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Valens Aqueduct

Istanbul, Türkiye

Valens Aqueduct, Istanbul
Photo: Abdullah Can Aldanmaz, CC BY-SA 4.0 (Wikimedia Commons)

Built in 368, this 971-meter-long Roman aqueduct was the only one to supply water to Constantinople for centuries.

The Valens Aqueduct, or Bozdoğan Su Kemeri, is a Roman aqueduct built in 368 during the reign of Emperor Valens to supply water to Constantinople. It is one of the most important preserved examples of Roman engineering. It is approximately 971 meters long and reaches a height of up to 29 meters. The aqueduct functioned throughout the Byzantine and Ottoman eras, supplying water to the city.

How long does it take to visit Valens Aqueduct?

Plan about 30 min.

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