Chiang Dao
The dusty, rather dilapidated village of Chiang Dao has two claims to fame: Thailand's third-highest mountain, 7,500-foot Doi Chiang Dao, which leaps up almost vertically from the valley floor; and the country's most spectacular caves, which penetrate more than 10 km (6 miles) into the massif. If you want to explore more of the mountain, hire a guide.
Recommended Fodor's Video
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