Ozkonak Underground City – carved into the volcanic tuff of Mt. Idis

ozkonak underground

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Ozkonak Underground City is one of Cappadocia’s most intriguing underground settlements, located approximately 14 km northeast of Avanos. Built beneath the northern slopes of Mount İdis, this remarkable underground city was carved into layers of volcanic tuff and granite-like volcanic rock, creating a vast subterranean refuge for ancient communities.

Although less famous than Derinkuyu Underground City and Kaymakli Underground City, Ozkonak is unique for its innovative defensive features and more spacious tunnel system, making it one of the most interesting underground cities to explore in Cappadocia.


History and Discovery

Ozkonak remained hidden beneath the earth until 1972, when local farmer and muezzin Latif Acar discovered a mysterious underground chamber while investigating where water used to irrigate his crops was disappearing.

Further excavations revealed an extensive underground settlement consisting of interconnected rooms, tunnels, storage chambers, ventilation shafts, and defensive structures. Archaeologists uncovered a city that could shelter thousands of inhabitants during times of danger.

Today, ten levels are believed to exist, extending to a depth of approximately 40 meters below ground, although only four levels are currently accessible to visitors.


Architecture and Engineering

The underground city was designed to provide safety, ventilation, communication, and long-term survival during invasions.

Tunnel Network

A complex system of galleries and passageways connects living quarters, communal spaces, storage rooms, and defensive sections throughout the city.

Ventilation System

Unlike many underground settlements, Ozkonak contains highly efficient ventilation shafts that provided fresh air throughout the complex even when entrances were sealed.

Communication Holes

Long vertical shafts between levels allowed residents to communicate with each other and transport supplies between floors without exposing themselves to danger.

Water Supply

A sophisticated well system provided fresh water for inhabitants, enabling extended periods of underground habitation.

Winery and Storage Rooms

Special chambers were used for storing grain, food, wine, and other necessities required for long stays underground.


Unique Defensive Features

One of the most remarkable aspects of Ozkonak is its advanced defense system.

Rolling Stone Doors

Like other Cappadocian underground cities, enormous circular stone doors could be rolled into place to block tunnels and prevent enemy access.

Defense Holes Above Tunnels

Ozkonak features a rare security system not commonly found elsewhere in Cappadocia. Small openings positioned above passageways allowed defenders to attack invaders by dropping stones, spears, or even hot oil through the shafts.

These features made the underground city exceptionally difficult to penetrate.


What to See

Main Entrance Galleries

The entrance tunnels offer a fascinating introduction to the underground world beneath Cappadocia.

Living Chambers

Explore rooms that once housed families seeking refuge during periods of conflict.

Food Storage Areas

Large storage spaces reveal how communities survived underground for extended periods.

Ventilation Shafts

Observe the engineering techniques that kept air circulating throughout the city.

Winery

Discover evidence of Cappadocia’s ancient wine-making traditions.

Defensive Corridors

See the unique security features that distinguish Ozkonak from other underground settlements.


Things to Do

  • Explore the underground tunnels and chambers.
  • Learn about ancient defensive engineering.
  • Photograph the city’s fascinating architecture.
  • Join a guided historical tour.
  • Compare Ozkonak with Kaymaklı and Derinkuyu.
  • Visit nearby Cappadocian valleys and villages.

Nearby Attractions

Avanos

Known for pottery workshops, ceramics, and the scenic Kızılırmak River.

Zelve Open Air Museum

An abandoned cave settlement showcasing Cappadocia’s unique rock-cut architecture.

Çavuşin

A historic village with cave dwellings and ancient churches.

Göreme

The heart of Cappadocia tourism and gateway to famous hot-air balloon flights.

Göreme Open Air Museum

A UNESCO World Heritage Site featuring Byzantine frescoed churches.

Kaymaklı Underground City

One of Cappadocia’s largest underground settlements.

Derinkuyu Underground City

The deepest underground city in the region.


Tours and Excursions

Cappadocia Red Tour

Many organized tours include:

  • Ozkonak Underground City
  • Avanos pottery workshops
  • Zelve Open Air Museum
  • Devrent Valley
  • Pasabag (Monks Valley)

Underground Cities Tour

Explore several subterranean settlements to better understand Cappadocia’s unique underground civilization.

Cultural Heritage Tours

Combine visits to underground cities with cave churches, valleys, and traditional villages.


Food and Drink

Nearby Avanos offers excellent opportunities to sample traditional Cappadocian cuisine.

Popular local specialties include:

  • Testi Kebabı
  • Mantı
  • Gözleme
  • Local lamb dishes
  • Cappadocian wines
  • Turkish tea and coffee

Visitor Information

Best Time to Visit

  • Spring (April–May): Ideal weather and beautiful landscapes.
  • Autumn (September–October): Comfortable temperatures and excellent sightseeing conditions.
  • Summer: Cooler underground temperatures provide relief from the heat.
  • Winter: Fewer visitors and magical snow-covered Cappadocian scenery.

Duration

Most visits take between 1 and 1.5 hours.

What to Bring

  • Comfortable walking shoes
  • Light jacket
  • Camera
  • Drinking water

Accessibility

Some passages are narrow and involve stairs. Visitors with mobility limitations or claustrophobia should take this into consideration.


Why Visit Ozkonak?

Ozkonak Underground City offers a fascinating glimpse into one of humanity’s most ingenious survival strategies. Its unique defensive systems, spacious galleries, and remarkable engineering make it one of the most distinctive underground cities in Cappadocia. Combined with nearby attractions such as Avanos, Zelve, Göreme, and Cappadocia’s famous fairy chimneys, Ozkonak is an essential stop for travelers interested in archaeology, history, and the extraordinary cultural heritage of central Turkey.

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