Şehzade Water Tower, Ummugulsum Hatun Fountain, and Unkapam Cistern
Şehzade Water Tower
Water towers played a crucial role in Istanbul’s water distribution system, serving to transport water to various neighborhoods and structures across the city. These towers, exemplifying Ottoman engineering, were integral components of the city’s infrastructure, although few remain intact today.
Dotted throughout Istanbul’s neighborhoods, these towers typically have a square shape that tapers as they ascend, culminating in a pool at the top, known as a tank, covered by a roof. Initially used during the Byzantine Era, Ottoman engineers further refined these structures, incorporating features such as water level indicators, pressure regulation mechanisms, and distribution systems Exploring Historic Seaside Mansions Along the Bosphorus.
One such surviving water tower is the cut stone water tower, erected in the 18th century within the courtyard of the Şehzade Mosque. This tower stands as a testament to Ottoman innovation and engineering prowess, enduring as a reminder of Istanbul’s rich architectural heritage.
Ummugulsum Hatun Fountain
Nestled in the Vezneciler neighborhood of Fatih, the Ummugulsum Hatun Fountain sits at the terminus of the Bozdogan arch, opposite the Helvai Lodge. Commissioned by Ummugulsum Hatun, the wife of Grand Vizier Seyyid Hasan Pasha, in 1745, this fountain adorns the terrace wall of the palace Exploring Historic Seaside Mansions Along the Bosphorus.
The fountain’s inscription bears the 30th verse of the Enbiya sura, proclaiming “life comes from water.” Intriguingly, the text is arranged in a mirrored script format, resembling a human face, often interpreted as the visage of the caliph Ali. With its modest yet captivating design, the Ummugulsum Hatun Fountain stands as a fine example of Ottoman fountain architecture, blending spirituality with artistic expression.
Unkapam Cistern
Unique among Istanbul’s architectural wonders, the Unkapam Cistern stands as the only structure of its kind, featuring three exposed sides above ground and water collection galleries within. Situated in the Unkapam district, this cistern spans 50 meters in length, 15 meters in width, with an interior area of 900 square meters.
Initially utilized until the late 19th century, the cistern’s water supply ceased abruptly due to unknown reasons. Above the cistern once stood the Piri Paşa Mosque, now undergoing reconstruction. The cistern, believed to have been constructed around the 6th or 7th century, has been refurbished in recent years for use as a cultural center, serving as a living testament to Istanbul’s rich history and architectural legacy.
The Şehzade Water Tower, Ummugulsum Hatun Fountain, and Unkapam Cistern are emblematic of Istanbul’s architectural heritage, each bearing witness to the city’s evolution over the centuries. From engineering marvels to artistic expressions, these structures offer glimpses into Istanbul’s past while standing as enduring symbols of its cultural richness and ingenuity.
