Miao Room, Solutional cave chamber in Ziyun county, China.
Miao Room is a solutional cave chamber in Ziyun that extends over 850 meters in length and reaches more than 190 meters in width. The vast underground space features towering rock formations and expansive stone walls throughout its interior.
French explorers discovered this enormous chamber in 1989 during an expedition into the karst regions of Guizhou province. The discovery opened new understanding of the underground systems hidden beneath the region's landscape.
This chamber is part of the Ziyun Getu He National Park and represents the geological richness of southwestern China's limestone regions. Visitors can observe how nature has shaped these underground formations over countless millennia.
This cave is accessible to visitors within the national park, though guided tours are typically recommended for safe exploration of the terrain. Good footwear and lighting are essential since underground conditions are cool and damp.
Scientists long suspected this might be the largest underground space by volume on Earth, but it was only confirmed through British laser-scanning technology in 2013. Those precise measurements finally gave this location scientific recognition for its exceptional scale.
The community of curious travelers
AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide.
