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🌍 Xiaoxhai Tiankeng: The World's Biggest Sinkhole

Science & Nature China Asia

🌍 Xiaoxhai Tiankeng: The World's Biggest Sinkhole
Earth's largest and deepest sinkhole in Chongqing, China


🕐 1 min read · Updated 2 Apr 2026 at 21:16
📋 Fast Facts
  • Depth: 660 metres
  • Volume: 130 million cubic metres
  • Location: Chongqing Municipality, southwestern China
  • Formation: Estimated 128,000 years of water erosion through limestone

Xiaoxhai Tiankeng, located in rural Chongqing Municipality in southwestern China, is the world's largest and deepest sinkhole. Visible ...

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