Major Rainforests of Thailand

Thailand's Remaining Tropical Forest Strongholds

1. Huai Kha Khaeng Wildlife Sanctuary (Western Forest Complex) – UNESCO site; largest intact mainland SE Asian forest; tigers, elephants, banteng.
2. Khao Yai National Park – Oldest, 3rd largest park; evergreen & deciduous forest; gibbons, hornbills, wild elephants.
3. Kaeng Krachan National Park – Largest park; UNESCO site; contiguous with Myanmar forests; tapirs, clouded leopards, 400+ bird species.
4. Doi Inthanon National Park – Highest peak (2,565m); montane cloud forest; endemic birds, rhododendrons, waterfalls.
5. Tham Pha Thai National Park – Karst landscape with caves, cliffs, and dipterocarp forest; lesser-known but biodiverse.

Thailand has lost >50% of its forest cover since 1960; these protected areas are critical refuges.