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Photo: LannaPhoto, CC BY-SA 4.0 via Wikimedia Commons
This park is not well-known. It has a beautiful 7-tiered waterfall.
Wiang Kosai National Park is a national park in Northern Thailand. It covers parts of the Wang Chin District of Phrae Province and Mae Tha, Thoen and Sop Prap Districts of Lampang Province.
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