5.0
Rivers, canyons & gorges
Chongqing Wansheng Heishan Valley
Chongqing, China
Chongqing Wansheng Heishan Valley impresses with its sprawling karst formations and the world's longest underground river stretching over 10 kilometers. The park is a paradise for adventurers looking to explore its rugged trails and otherworldly geological features.
Good to know
- Best months
- Sep–Nov
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