The Xiaozhai Tiankeng, also known as the Heavenly Pit, is the world's deepest sinkhole. It is located in Fengjie County of Chongqing Municipality.
The Xiaozhai Tiankeng is 626 metres long, 537 metres wide, and between 511 to 662 metres deep, with vertical walls. source
The Xiaozhai Tiankeng is 626 metres long, 537 metres wide, and between 511 to 662 metres deep, with vertical walls.
The Xiaozhai Tiankeng volume is 119,349,000 m³ and the area of its opening is 274,000 m². source
The Xiaozhai Tiankeng volume is 119,349,000 m³ and the area of its opening is 274,000 m².