Basilica Cistern: Everything You Need to Know
Plan your visit to Istanbul's famous underground cistern, including opening hours, tickets, transport, visitor tips and the Byzantine features to see inside.
Practical Information & Tips
Basilica Cistern Opening Hours
The Basilica Cistern is currently open every day from
09:00 to 18:00. The evening Night Shift session is not
currently active.
| Session / Status |
Opening Hours |
| Monday – Sunday |
09:00 – 18:00 |
| Evening Night Shift |
Not currently active |
Planning your visit?
Opening times can change during public holidays, maintenance periods or
special events. Check the latest
Basilica Cistern opening hours
before you go.
Basilica Cistern Tickets
Ticket prices and available entry options can change during the year.
Visitors can choose between standard admission and ticket options that
may include an audio guide, guided service or combination with other
Istanbul attractions.
Booking before arrival can also make it easier to organise your
Sultanahmet itinerary, especially during busy travel periods.
Is Basilica Cistern Worth Visiting?
For most first-time visitors, yes. The underground setting, historic
columns, water reflections, Medusa Heads and Byzantine architecture
create an experience that is very different from Istanbul's palaces
and mosques.
Read the full guide on
whether Basilica Cistern is worth visiting
before adding it to your itinerary.
Getting to Basilica Cistern
Basilica Cistern is located in Sultanahmet, within walking distance of
Hagia Sophia, the Blue Mosque and Sultanahmet Square.
-
By Tram:
Take the T1 tram to Sultanahmet and walk a few minutes to Yerebatan
Sarnıcı.
-
From Taksim:
Take the F1 funicular to Kabataş and continue with the T1 tram to
Sultanahmet.
-
From the Asian Side:
Take a ferry to Eminönü and continue by T1 tram to Sultanahmet.
-
On Foot:
The entrance is only a short walk from Hagia Sophia and Sultanahmet
Square.
Tips for a Better Visit
Visit shortly after opening if you want fewer crowds. Comfortable
shoes are useful because the underground environment can be humid and
some surfaces may feel slippery. Allow extra time if you want to stop
for photography.
Visitor Rules to Keep in Mind
- Avoid flash photography inside the cistern.
- Tripods and professional equipment may be restricted.
- Walk carefully on the visitor platforms.
- Avoid bringing large luggage or suitcases.
- Do not block the walkway while taking photographs.
What to See Inside Basilica Cistern
The Columns of Basilica Cistern
The underground chamber is supported by 336 marble columns,
arranged in 12 rows of 28. Most are approximately nine metres high.
Their repeating arrangement creates the famous forest-like view inside
the cistern.
The columns are not identical. Different materials, capitals and
decorative details suggest that many architectural elements were reused
from earlier Roman and Byzantine structures.
Learn more about their arrangement, materials and styles in the guide to
the
Columns of Basilica Cistern
.
The Weeping Column
One of the easiest columns to recognise is the Weeping Column, also
known as the Wishing Column or Column of Tears. Its surface is covered
with distinctive circular and teardrop-shaped carvings.
A popular visitor tradition involves placing a thumb inside one of the
circular openings and turning the hand in a complete circle while
making a wish.
Read about its carvings, names and wish-making tradition in the full
guide to the
Weeping Column in Basilica Cistern
.
The Medusa Heads
Two carved Medusa heads are used as stone bases beneath columns near
the far end of the visitor route. One is positioned upside down and
the other rests sideways.
Their original purpose and the reason for their unusual positions
remain uncertain, which has helped make them two of the most famous
features inside the cistern.
Read the story of the Medusa Heads
.
How Long Do You Need Inside?
Most visitors spend around 30 minutes to one hour inside
Basilica Cistern. This is usually enough time to walk through the main
column rows, see the Medusa Heads and Weeping Column, take photographs
and enjoy the underground atmosphere. Visitors interested in Byzantine history,
Basilica Cistern architecture
or photography may prefer to allow closer to one hour.
Best Time to Avoid Crowds
-
Early morning:
Visit shortly after opening for a quieter experience.
-
Weekdays:
Weekday mornings are generally easier than busy weekends and holidays.
-
Late afternoon:
The period after the main midday rush can also be more comfortable.
-
Off-season:
Autumn and winter usually receive fewer visitors than peak summer
months.
Tip:
Midday can be one of the busiest periods. Check current opening hours and
ticket availability before arranging the rest of your Sultanahmet route
Basilica Cistern History & Architecture
Why Was Basilica Cistern Built?
Basilica Cistern was constructed in the 6th century during the reign
of Byzantine Emperor Justinian I. Its purpose was to store water for
the Great Palace of Constantinople and nearby buildings.
The underground location allowed a large volume of water to be stored
beneath the centre of the Byzantine capital.
Who Built Basilica Cistern?
Byzantine engineers and workers constructed the cistern under
Justinian I. Brick walls, vaulted ceilings, arches and hundreds of
stone columns were combined to support the huge underground chamber
and the ground above it.
What Makes Basilica Cistern Architecture Special?
Basilica Cistern was designed primarily as part of Constantinople's water
infrastructure, but its structural design created one of Istanbul's most
recognisable interiors.
Rows of columns support brick arches and vaulted ceilings while thick
walls and waterproof mortar helped contain the stored water. Reused
marble columns and capitals from earlier structures also explain why
different architectural styles can be seen throughout the cistern.
See how the columns, arches, brick vaults and water system work together
in the complete guide to
Basilica Cistern architecture.
Why Do the Columns Look Different?
Many of the columns and capitals are believed to have been reused from
older Roman and Byzantine structures. As a result, visitors can see
different stone types, proportions and decorative styles throughout
the cistern.
The differences are one of the main reasons the
Basilica Cistern columns
are worth examining individually instead of viewing them only as part
of the wider chamber.
How Has the Structure Survived?
Strong brick construction, arches, vaulted ceilings and waterproof
mortar helped the cistern remain standing for centuries. Restoration
and maintenance have also helped preserve the structure for modern
visitors.
Planning Your Basilica Cistern Visit
What Should You See During Your Visit?
A typical visit should include the long column rows, the Weeping Column,
the two Medusa Heads, brick vaults, arches and water reflections. These
details show both the practical engineering and distinctive appearance
of the ancient underground reservoir.