Chongqing 816 Nuclear Plant: The World’s Largest Underground Cavern

Chongqing 816 Nuclear Plant: The World’s Largest Underground Cavern

The world’s largest man-made underground cavern. Travel guide with history, tickets, transport, and tips.

816 nuclear base chinaColdWarHistoryHistorical sites

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Wulong Three Natural Bridges + 1 Extra Spot

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+ Longshuixia Fissure / 816 Nuclear Plant / Fairy Mountain

11 hours
Starting fromCNY700.00/Pax
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