Cistern of Philoxenos Archaeological Site
Large Byzantine subterranean cistern in Istanbul
Beneath Istanbul's Sultanahmet district, the Cistern of Philoxenos offers a Byzantine underground reservoir lined with columns and walkways. Tourists visit for its atmospheric lighting, column forest and proximity to Hagia Sophia and the Hippodrome.
Cistern of Philoxenos at a Glance#
About Cistern of Philoxenos#
The Cistern of Philoxenos is a Byzantine-era subterranean water reservoir located in Istanbul’s historic peninsula. It preserves a large hypostyle chamber of stone columns that once stored and regulated urban water supplies.
Constructed in the Byzantine period to serve the water needs of the imperial city, the cistern formed part of a broader network of reservoirs and aqueducts. It survived the Ottoman period and later centuries, and has been consolidated for public access and display.
The cistern sits within Istanbul’s Sultanahmet quarter on the historic peninsula, close to other major Byzantine and Ottoman monuments such as the Hagia Sophia and the former hippodrome area.
- Context within Istanbul: The cistern is one of several Byzantine-era reservoirs in Istanbul’s historic peninsula and is often visited along with the larger Basilica Cistern and nearby monuments.
What to See#
- Columned reservoir: An underground water storage chamber formed by rows of columns supporting a vaulted ceiling, arranged in a rectilinear plan beneath the old city.
How to Get to Cistern of Philoxenos#
Located on Istanbul’s historic peninsula near the Hippodrome and Hagia Sophia; it’s a short walk from Sultanahmet tram stop. Many walking tours of Sultanahmet include the cistern on their itinerary.
Tips for Visiting Cistern of Philoxenos#
- Arrive with comfortable walking shoes; the cistern is dim and surfaces can be damp.
- Study the Medusa-head column bases and other reused capitals-those Roman fragments are delightful anomalies.
- Visit with a guide who can unpack the Ottoman, Byzantine and Roman layers compressed into the site.
Best Time to Visit Cistern of Philoxenos#
Best visited in spring or autumn for comfortable weather in Istanbul; the cistern itself is sheltered from weather but can be crowded in peak summer.
Weather & Climate near Cistern of Philoxenos#
Cistern of Philoxenos's climate is classified as Hot-Summer Mediterranean - Hot-Summer Mediterranean climate with warm summers (peaking in July) and cold winters (coldest in January). Temperatures range from 3°C to 28°C. Moderate rainfall (698 mm/year).
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Acceptable | 4° - 9° | 4° | 92 mm | overcast | 83% | 3.3 m/s | 0.2 low | 9.4h |
| February | Acceptable | 3° - 9° | 4° | 64 mm | overcast | 82% | 3.3 m/s | 0.3 low | 10.5h |
| March | Acceptable | 4° - 12° | 6° | 63 mm | partly cloudy | 79% | 3.1 m/s | 0.6 moderate | 11.8h |
| April | Good | 8° - 17° | 13° | 46 mm | partly cloudy | 76% | 2.6 m/s | 1.0 high | 13.2h |
| May | Very Good | 12° - 22° | 17° | 36 mm | partly cloudy | 74% | 2.4 m/s | 1.5 very high | 14.4h |
| June | Excellent | 17° - 26° | 21° | 30 mm | some cloud | 69% | 2.5 m/s | 1.9 very high | 15.0h |
| July | Ideal | 19° - 28° | 24° | 24 mm | mostly sunny | 66% | 2.8 m/s | 2.0 very high | 14.7h |
| August | Ideal | 19° - 28° | 24° | 32 mm | mostly sunny | 66% | 3.0 m/s | 1.7 very high | 13.7h |
| September | Excellent | 16° - 25° | 20° | 40 mm | partly cloudy | 68% | 2.8 m/s | 1.1 high | 12.3h |
| October | Good | 12° - 20° | 16° | 74 mm | partly cloudy | 76% | 2.8 m/s | 0.6 moderate | 11.0h |
| November | Acceptable | 8° - 15° | 12° | 87 mm | partly cloudy | 80% | 2.8 m/s | 0.3 low | 9.7h |
| December | Acceptable | 6° - 11° | 6° | 110 mm | overcast | 83% | 3.2 m/s | 0.1 low | 9.1h |
