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A photograph of Aqueduct of Valens
Photograph · HALUK COMERTEL · CC BY 3.0

Historic site · Fatih, Istanbul

Aqueduct of Valens

Bozdoğan Su Kemeri

Open today, 00:00 – 23:59
Today
Open today, 00:00 – 23:59
Visit duration
20 min Editorial visit time estimate
Accessibility
Step-free
Price
Not recorded
Standing
Must see
Rank
Rank 22 of 8,221
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Reviewed by Elena Voss · Roavina Travel Editor

Plan your visit.

Opening hours

Monday 00:00 – 23:59
Tuesday 00:00 – 23:59
Wednesday 00:00 – 23:59
Thursday 00:00 – 23:59
Friday 00:00 – 23:59
Saturday 00:00 – 23:59
Sunday 00:00 – 23:59

Checked 2026-08-31 · Source

Admission

Not recorded

Access and facilities

  • Accessible toilets · Available
  • Pushchair access · Available
  • Step-free access · Available
  • Toilets · Available

Source · Checked 2026-08-31

A photograph of Aqueduct of Valens
Photograph · Ray Swi-hymn from Sijhih-Taipei, Taiwan · CC BY-SA 2.0

About Aqueduct of Valens

Bozdoğan Kemeri, the Aqueduct of Valens, is the surviving bridge of the water system that made a city of a million people possible on a peninsula with almost no rivers. Construction began under Constantius II, who reigned from 337 to 361, and the aqueduct was completed in 373 under the emperor Valens, whose name English attaches to it. Its first phase gathered water from springs at Danımandere and Pınarca along 268 kilometres of conduit, and a fifth-century extension added a further 451 kilometres reaching back to Vize, 120 kilometres away.

Checked 2026-08-31 · Source

A photograph of Aqueduct of Valens
Photograph · User:Simm · CC BY-SA 2.5

What's inside

There is no inside. The aqueduct is a wall of arches with a water channel along its spine, and every part of it that a visitor can reach is exterior. What rewards attention is the masonry itself, which is a legible record of sixteen centuries of patching. The arches are not uniform: the Turkish record notes that arches 18 to 73 are double-tiered while the rest carry a single tier. Ottoman sultans kept the line alive rather than treating it as a ruin.

Checked 2026-08-31 · Source

How long to spend

Twenty minutes is the honest figure, and it is a photo stop rather than a visit. Nothing here is enterable, there is no circuit to walk and no interior sequence to follow, so the time is spent choosing a vantage point, reading the masonry from that point, and crossing the road once to see the arches from the other side.

Checked 2026-08-31 · Source

Season and crowds

The aqueduct is an outdoor urban monument visible 24 hours daily; Atatürk Boulevard passes through its arches, while conservation or road works can restrict the pavements. Worship, weather, restoration and events can replace ordinary access.

Checked 2026-08-31 · Source

Tickets

Viewing the Aqueduct of Valens from Atatürk Boulevard and surrounding public pavements is free. There is no entrance gate, interior gallery or wall-top ticket. Road traffic passes through the surviving arches, so the practical visit uses street-level viewpoints. Guided walks cost separately and conservation barriers must remain clear even when they narrow the pavement.

Checked 2026-08-31 · Source

A photograph of Aqueduct of Valens
Photograph · Hermann Barth · Public domain

Getting there

Vezneciler M2 station is a short walk south; frequent IETT buses use Atatürk Boulevard beneath the aqueduct. Use the named entrance, stop or pier because hills, controlled sites and narrow historic streets change the practical approach.

Checked 2026-08-31 · Source

What to watch out for

Pavements and signal-controlled crossings provide step-free viewpoints, but traffic is heavy and visitors cannot enter or climb the masonry. Historic surfaces, crowds and security remain relevant.

Checked 2026-08-31 · Source

Photography

Saraçhane Park in the late afternoon is the vantage point worth walking to. From there the arches read as a receding line rather than a flat wall, the park's trees give a foreground that sets the scale, and the low sun rakes across the stonework so the different repair campaigns separate visually into their own tones. A wide lens is close to essential; anything long will only ever show three arches and lose the fact that this thing marches across a valley.

Checked 2026-08-31 · Source

Place details and sources

Type of place
Attraction OpenStreetMap · Checked 2026-09-09
Elevation
63 m OpenStreetMap · Checked 2026-09-09
Architectural style
Byzantine architecture Wikidata · Checked 2026-09-09
Architect
Valens OpenStreetMap · Checked 2026-09-09
Wikipedia article
Aqueduct of Valens Wikipedia · Checked 2026-09-09

Common questions

Is it free?

Yes. It is viewed from public streets.

Does it close?

No regular hours apply to the outdoor monument.

Can visitors walk on top?

No. The water channel and masonry are not a public walkway.

Is it wheelchair accessible?

Yes from pavement viewpoints and crossings, though traffic makes the setting demanding.

Does traffic pass through it?

Yes. Atatürk Boulevard runs beneath surviving arches.

Which metro stop is closest?

Vezneciler on M2 is the nearest station.

Where it is

Open directions in Google Maps

Nearby

Within 3 min on foot
  • Tezgahçılar Mosque 30 min
    2 min walk · Fatih

    Tezgahçılar Mosque

    • Notable · Heritage site
    • Place of worship
  • Vefa Bozacısı 1 hour
    2 min walk · Fatih

    Vefa Bozacısı

    • Restaurant or café
  • Burmalı Mosque 30 min
    3 min walk · Fatih

    Burmalı Mosque

    • Must see
    • Place of worship

In Fatih

Same category

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Source: OpenStreetMap contributors, Wikidata ·