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**Stone Forest** in Kunming, Yunnan, is a UNESCO World Heritage Site featuring 270-million-year-old karst formations. Known as the "First Wonder of the World," its towering limestone pillars, ethnic Yi culture, and iconic "Ashima" legend attract millions. A must-see for geology enthusiasts and photographers.
The Stone Forest in Kunming, Yunnan, spans 400 km² with 350 km² protected. Formed 270 million years ago, these karst formations resulted from tectonic shifts dissolving ancient seabed limestone into jagged pillars (20–50m tall). Unique "multi-phase evolution" created sword-like, mushroom-shaped, and pagoda-style rock clusters—unmatched globally for diversity.
Major & Minor Stone Forests
Naigu Stone Forest: Black basalt-covered formations contrast with white limestone.
Underground Marvels: Zhiyun Cave and Qifeng Cave showcase stalactites and subterranean rivers.
The Yi ethnic group (Sani branch) has inhabited the area for 2,000 years. Their traditions—Torch Festival, folk song "Faraway Guests Please Stay"—are woven into tours. UNESCO notes this as rare harmony between geology and living culture.
Pro Tip: Combine with Dianchi Lake (1-hour drive) for a full-day itinerary.