Khao Yai National Park 

Khao Yai NP is Thailand's third largest NP and one of Thailand's most popular birdwatching sites, It is located across four provinces, Nakorn Ratchasima, Saraburi, Nakhon  Nayok and Prachinburi. There are two main entrances, Pak Chong from the north or Prachinburi from the south. This park is best avoided at weekends or public holidays due to the large amount of traffic and regular tourists.

Khao Yai National Park has three main seasons, with an annual average temperature of 23° Celsius, though this varies greatly with the seasons.

 

Rainy season (May–October): Most days have high rates of precipitation. The atmosphere is humid with average temperatures of 27° C 

 

Cold season (November–February): Clear skies, sunny and cool. Average temperatures of 22° C during the day and 10° C at night. 

 

Hot season (March–April): Humid with daytime temperatures of 20–30°

Over 320 species have been recorded in this national park making it one of the best destinations in Thailand for birdwatching trips. Birding highlights include; Siamese Fireback Pheasants, Pittas, Trogons, Broadbills, Hornbills and The Coral-billed Ground Cuckoo.