Khao Yai National Park

Khao Yai National Park is Thailand's first national park, established in 1962, located mainly in Pak Chong District, Nakhon Ratchasima, with areas extending into Saraburi, Prachinburi and Nakhon Nayok provinces. Part of the UNESCO World Heritage Dong Phayayen-Khao Yai Forest Complex, it covers over 2,100 sq km of forested mountains, grasslands and waterfalls. It is notable for its biodiversity, including wild elephants and gibbons, scenic viewpoints and extensive hiking trails.

Visitors can expect a large forested mountain park with paved roads connecting visitor centers, viewpoints, waterfalls and trailheads. The landscape includes dense evergreen forest, grasslands, and waterfalls such as Haew Narok and Haew Suwat. Visitors can drive or join guided walks to viewpoints like Pha Diao Dai, observe wildlife and birds, hike nature trails of varying lengths, camp at designated sites, and visit the park visitor center with exhibits and maps.