Nine-kilometer tunnel reportedly connects Derinkuyu Underground City to Kaymakli underground city. Wikipedia article states Derinkuyu Underground City connected to Kaymakli via 9-kilometer tunnel Tunnel depth approximately 60 meters or more below surface Connecting tunnel reportedly narrower than main passages

🎨 Beneath Christian frescoes in Cappadocia: red ochre geometric symbols — circles, zigzags, triangles & animals — some possibly from early Christian periods, with research ongoing on potential ancient connections. The layers of history here are wild! 🔺

Key Facts

  • Wikipedia article states Derinkuyu Underground City connected to Kaymakli via 9-kilometer tunnel
  • Tunnel depth approximately 60 meters or more below surface
  • Connecting tunnel reportedly narrower than main passages
  • Tunnel reportedly partially collapsed, possibly intentionally
  • Locals report additional 21-kilometer tunnel to Soan Lee cave city
  • If tunnels exist, all Cappadocia underground cities may be connected as single facility

Related site: Derinkuyu Underground City — view location, images, and history on the Ancient Nerds map.