Khao Yai is Thailand's oldest and most visited national park, spanning across four provinces with lush forests, diverse wildlife, and scenic hiking trails. Located in Nakhon Ratchasima province, it is a UNESCO World Heritage Site protecting over 2,000 square kilometers of pristine tropical ecosystem home to elephants, gibbons, hornbills, and other endangered species.
Khao Yai offers exceptional wildlife viewing opportunities and jungle trekking in one of Southeast Asia's best-preserved forests, with excellent chances to spot wild elephants and other charismatic megafauna in their natural habitat.
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Guide mandatory; price depends on group size and trail difficulty
Time
Half day to Full day
Cost
THB 400*–THB 800*
Effort
Moderate
Includes guide and vehicle; best for wildlife spotting
Time
3 hours
Cost
THB 600*–THB1.2k*
Effort
Easy
Included with park entry; no additional cost
Time
1-2 hours
Cost
Free
Effort
Easy
Guided tour; sightings not guaranteed but common
Time
Half day
Cost
THB 500*–THB1k*
Effort
Moderate
Early morning tours recommended; guide included
Time
2-4 hours
Cost
THB 300*–THB 600*
Effort
Moderate
Standard day entry fee for tourists
Time
One-time
Cost
THB 200*
Effort
Easy
This destination has a temperate climate with temperatures ranging from 20°C to 27°C annually. Avoid travel in Sep due to heavy rainfall.
⚠️ Avoid travelling in Sep due to extreme conditions.
Climate averages based on 10-year historical data · Open-Meteo
Pleasant weather, lighter crowds — the sweet spot.
Busiest months — book stays & transport early.
Quietest window with the lowest prices.
From Bangkok, take Highway 2 heading northeast toward Korat. Turn off at Pak Chong town and follow signs to Khao Yai main gate. The park is approximately 2.5-3 hours drive from Bangkok via the expressway.
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