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The cooler, drier months from November to February are the most comfortable, with clear air and pleasant temperatures. Mornings can be cool on the plateau.

The rainy season, from about May to October, makes the forest green and waterfalls full, but trails are muddy and leeches are common.

• Haew Suwat Waterfall is a famous waterfall that falls into a wide pool surrounded by forest.
• Haew Narok Waterfall is a tall, powerful waterfall in the south of the park. Water flow is strongest in the rainy season.
• Khao Kieow Viewpoint is a viewpoint with wide views over the forest.
• Pha Diao Dai Viewpoint is a viewpoint in the park.
• Orchid Waterfall is a waterfall in the park, named after orchids.

• Short hikes: Walk marked trails to waterfalls and viewpoints.
• Wildlife drive: Look for animals at dawn or dusk with a guide.
• Bird watching: Many bird species live in the forest.
• Camping: Stay overnight in a campsite inside the park.
• Winery stop: Visit a nearby vineyard after a day in the park.

These trips are listed from closest to farthest.

• Wildlife watching: guided drives and walks look for elephants, gibbons and birds.
• Waterfall visits: several falls can be visited in a day by car or on foot.
• Wineries and farms near the park: the area outside the park has vineyards, farms and cafes.

• Nakhon Nayok is a neighboring province, with waterfalls and rivers.
• Nakhon Ratchasima is the province where the park's main gate area lies.
• Bangkok is the main starting point for trips.

• By car from Bangkok: The drive takes about two to three hours, depending on traffic. A car is the easiest way to reach the park.
• By bus and train: Buses and trains run to nearby towns such as Pak Chong, from where you continue by taxi or tour.
• By tour: Many operators run day trips and overnight tours from Bangkok.

• By car: The park has long roads between sights, so driving is the main way to move.
• Guided tours: Hire a guide or join a tour for wildlife and long trails.
• Taxis and pick-ups: Local trucks run from Pak Chong to the park gate.
• On foot: Trails around waterfalls and viewpoints are good for short hikes.

• Is a car worth it?: Yes. Distances inside the park are long, and public transport is limited.
• Driving side: Traffic drives on the left.
• Roads: Park roads are paved but winding. Slow down and watch for wildlife, especially at dusk.

Restaurants near the park gate serve Thai and international dishes, including grills and cafes. Some places make wine from local vineyards. The park has simple food stalls at visitor areas.

• Wildlife: Elephants can be dangerous. Keep a safe distance and follow ranger advice.
• Roads: Drive slowly, especially at dusk, when animals cross the road.
• Leeches and insects: Wear closed shoes and use repellent in the wet season.
• Trails: Stay on marked paths. Some trails close after heavy rain.
• Weather: Evenings can be cool in the dry season. Bring a light jacket.
• Royal family: Do not speak or write badly about the monarchy. It is a serious crime in Thailand.

Khao Yai was the first national park established in Thailand. Today it is part of a protected forest area recognized by UNESCO. The park protects one of the largest remaining blocks of forest in the region, and it is an important home for wildlife.

Quick practical facts for Thailand at a glance: