Ton Sak Yai National Park, National park in Uttaradit Province, Thailand.
Ton Sak Yai is a national park in Uttaradit Province, northern Thailand, shaped by mountain ranges, dense mixed forests, and several waterfalls spread across its protected territory. The park covers different forest types and shelters a wide range of bird species.
The area was first protected as a forest reserve in 1990 and became an official national park in 2003. It was later renamed after an exceptionally old teak tree discovered within its boundaries.
The park takes its name from an ancient teak tree deep in the forest, which locals regard as a living landmark worth protecting. Walking the trails, you can sense how closely the people of the region are tied to the forest and how carefully they tend to it.
Good walking shoes and plenty of water are essential, as the trails cross hilly ground and can be demanding. The cooler months offer the most comfortable conditions for exploring the park on foot.
The teak tree that gives the park its name is said to be several thousand years old, making it one of the oldest known specimens of its kind in the region. Its age and size were so remarkable that they shaped the identity of the entire protected area.
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