Ton Sak Yai National Park, National park in Uttaradit Province, Thailand.
The protected area spans 519 square kilometers across mountain ranges, including Khao Chan and Khao Phu Miang peaks reaching 1,500 meters in elevation.
Initially designated as Khlong Tron National Forest Reserve in 1990, the area became Thailand's 103rd national park in December 2003.
Local communities participate in conservation programs and traditional activities that maintain connections between residents and the natural environment.
Visitors can explore three separate waterfalls at Namtok Huay Khom and trek through various forest types containing numerous bird species.
The park features a 1,500-year-old teak tree with a 10-meter circumference, which led to its renaming from Khlong Tron to Ton Sak Yai in 2012.
Location: Saen To
Location: Nam Khrai
Location: Nam Phai
Location: Tham Chalong
Location: Pha Lueat
Location: Nam Phi
Location: Phak Khuang
Location: Bo Thong
Inception: December 4, 2003
GPS coordinates: 17.58744,100.75005
Latest update: March 12, 2025 05:22
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