National park · Bu

Khao Yai National Park

AT A GLANCE

Why go?

Khao Yai is Thailand's original national park, and it still feels like it earned the title. Established in 1962 and now part of the Dong Phayayen–Khao Yai Forest Complex, a UNESCO World Heritage Site and an ASEAN Heritage Park, it sprawls across roughly 2,206 square kilometres of rainforest, grassland and montane woodland spanning four provinces. Wild elephants cross the roads, gibbons call through the canopy at dawn, and great hornbills boom overhead—yet all of this raw wilderness sits only about 200 kilometres from Bangkok.↗↗↗

A big chunk of the park's appeal is that you don't have to be a hard-core trekker to enjoy it. A well-kept road threads past thundering waterfalls, cliff-top viewpoints and a grassland hide, with short paved walks linking many of the stops. Come for a single day of waterfalls and lookouts, or stay a night to join a spotlight safari after dark and hear the forest wake up around you.↗↗

A World Heritage forest on the edge of the city

A LITTLE INSPIRATION IS ON ITS WAY

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National park · Bu

Khao Yai National Park

Bu, TH 4.5 (17,257 Google reviews)

Photo: Google Maps

AT A GLANCE

Why go?

Khao Yai is Thailand's original national park, and it still feels like it earned the title. Established in 1962 and now part of the Dong Phayayen–Khao Yai Forest Complex, a UNESCO World Heritage Site and an ASEAN Heritage Park, it sprawls across roughly 2,206 square kilometres of rainforest, grassland and montane woodland spanning four provinces. Wild elephants cross the roads, gibbons call through the canopy at dawn, and great hornbills boom overhead—yet all of this raw wilderness sits only about 200 kilometres from Bangkok.↗↗↗

A big chunk of the park's appeal is that you don't have to be a hard-core trekker to enjoy it. A well-kept road threads past thundering waterfalls, cliff-top viewpoints and a grassland hide, with short paved walks linking many of the stops. Come for a single day of waterfalls and lookouts, or stay a night to join a spotlight safari after dark and hear the forest wake up around you.↗↗

A World Heritage forest on the edge of the city

The park sits where the eastern escarpment of the Isan plateau catches the monsoon, so it feeds a tangle of streams and supports an astonishing range of life. Beyond its 280-plus bird species—enough to make it a magnet for twitchers from around the world—the forest is home to white-handed and crested gibbons, the great hornbill, serow, dhole (wild dog), barking and sambar deer, and a resident population of wild elephants that visitors most hope to glimpse. Average temperatures hover near 21°C year-round, giving the high forest a cool, green stillness that feels a world away from the Thai lowlands.↗↗

Treat the place as the animals' home rather than your attraction. The park's own guidance is to keep a respectful distance from any wildlife and never crowd or bait it for a photograph—a simple rule that protects both you and the forest's residents.↗

The waterfalls that anchor a visit

Most itineraries are built around two falls. Haew Narok, deep in the south of the park, is the tallest and most dramatic, plunging about 150 metres in three tiers; at the top stage the cliff drops almost vertically, so the pool below is beautiful but swimming is forbidden. It runs fullest and most spectacular at the end of the rainy season, when bright red, orange and yellow 'champagne' mushrooms dot the path down. From the car park it is roughly a kilometre on foot, with a steep 50-metre staircase at the end for the best close view.↗↗

Haew Suwat is the more famous of the pair—a 25-metre curtain of water spilling off volcanic rock into the Lam Ta Khong stream, used as a backdrop in the 2000 film The Beach. It's only about 10 kilometres from the visitor centre and a short walk from the parking area, making it the park's most-visited single stop. Two gentler falls reward a detour: Pha Kluai Mai, about 10 metres high and fringed in dry season by the red-and-white Renanthera orchids that give it its name, and tiny Kong Kaew on the provincial border, with a charming rope bridge over its stream.↗↗↗

Viewpoints, grasslands and a sky full of bats

On the Pak Chong side, the Km. 30 Viewpoint is the first lookout you meet and one of the finest in the park: in the early morning a sea of mist lies beneath a jumble of ridgelines, and at dusk you may see great clouds of bats streaming out of their caves on distant Luk Chang Mountain to feed. Higher up the road, Pha Diaw Dai is a stone platform thrusting about 15 metres from a cliff at some 900 metres elevation, reached by a short wooden-boarded walk through cool, dripping forest and renowned for sunrise. The Khao Khiew ridge and its Pha Trom Jai lookout, at around 1,290 metres, is the highest vantage point in central Thailand, its cold-tolerant trees hung with orchids, ferns and lichens.↗

For wildlife rather than vistas, head to Nong Phak Chi, about 3 kilometres from the visitor centre (park at the 35 km marker on Thanarat Road and walk a kilometre across the open grassland). Its 20-metre observation tower overlooks an artificial salt lick where sambar deer, barking deer and wild boar forage, with elephants, gaur and dhole passing less regularly. Nearby Sai Sorn Reservoir, ringed by grassland that was cleared by villagers long ago and left to the animals, is the place to linger at sunset, then look up afterwards at a star-scattered, light-pollution-free sky.↗

Into the forest on foot

Seven marked nature trails let you set your own pace. The easiest is Trail No. 1, a short loop from the visitor centre to Kong Kaew Waterfall, suitable for all ages and passing through rainforest and dry forest where gibbons often call. Trail No. 2 links the Pha Kluai Mai campground to Haew Suwat along the Lam Ta Khong stream, revealing ancient lava flows in the rocks when the water is low. Trails No. 3 and No. 5 wind through mixed forest and grassland to the Nong Phak Chi tower, while the longer Trail No. 6 from the visitor centre to Haew Suwat is a real nature lesson through elephant foraging ground—worth taking only with an experienced guide.↗

Birdwatchers and animal trackers will get far more from hiring one of the park's well-regarded jungle guides, who raise species counts and read the forest for you. In the wet months, leech socks and sturdy shoes are worth packing for any longer walk.↗↗

Night safari—and the reality of wild elephants

The most reliable way to see creatures that hide by day is the nightly spotlight safari in an open-sided truck, covering about 10 kilometres over roughly an hour in two slots, around 7pm and 8pm. Book through the visitor centre in advance, as places are limited; the beams pick out sambar deer, civets, porcupines, owls and occasionally an elephant grazing at the roadside.↗↗

This is a genuinely wild forest, and its elephants regularly cross the park roads and the surrounding highways, especially at dawn and dusk and when food and water thin out in the dry season. If you meet one, the official guidance is blunt: stop at least 30 metres away, never approach or use the horn or flash for a photo, and reverse slowly with the engine running if it moves toward you. A single elephant usually means a family is close by—give them time and space to clear the road before you move on.↗

Planning your visit

The park is open 6am to 6pm every day of the year, with visitor centres for maps and trail information roughly 8:30am to 4:30pm. There are two fee-charging gates on opposite sides: the Chao Phor Khao Yai gate on the Pak Chong (Nakhon Ratchasima) side, which most visitors use because the town has buses, trains, hotels and rental shops, and the quieter Noen Hom gate on the eastern Prachinburi side. Entry for foreign adults is commonly listed around ฿400, with ฿200 for children aged 3–14, plus a small vehicle fee (roughly ฿30 for a car, ฿20 for a motorbike); Thai nationals pay a much lower rate. Pay cash at the gate or via the national parks e-ticket app.↗↗

The detail first-timers underestimate is that there is no public transport once you're through the gate, and the falls, viewpoints and trailheads are spread over many kilometres of forest road—far too far apart to walk between. You'll want your own wheels: rent a car or motorbike in Pak Chong beforehand, hire a mountain bike at the visitor centre for shorter hops, or book an organised tour that shuttles you between stops and usually bundles the night safari and a guide. From Bangkok, buses and trains reach Pak Chong in about three hours, and a local bus runs to the park gate.↗↗

To build a day, the park's own suggested loop pairs Haew Narok and the Pha Diaw Dai viewpoint with an afternoon walk on Nature Trail No. 1 or No. 7, Haew Suwat and the Nong Phak Chi tower, sunset at Sai Sorn Reservoir, and a night safari. Staying the night—whether camping at the Lam Ta Khong campground, renting a park tent or taking a bungalow—lets you cover the main sights and the after-dark safari without a rushed exit.↗↗

What makes it special

01

Thailand's first national park (1962) and part of the Dong Phayayen–Khao Yai UNESCO World Heritage forest complex.↗↗

02

Around 2,206 square kilometres of forest across four provinces, sheltering 280-plus bird species and resident wild elephants.↗

03

Two signature falls: the 150-metre, three-tier Haew Narok and the 25-metre Haew Suwat, scene of the film The Beach.↗

04

Sunrise at Pha Diaw Dai, mist and swirling bat clouds at the Km. 30 Viewpoint, and the highest lookout in central Thailand at Khao Khiew.↗

05

A booked night safari in an open truck is the surest way to see nocturnal wildlife.↗

A little planning goes a long way

You need a vehicle or a booked tour inside the park—waterfalls and viewpoints are far too spread out to walk between, and there's no internal public transport.↗
Reserve the night safari at the visitor centre in advance; the 7pm and 8pm slots fill quickly.↗
Build your day around the season: waterfalls roar at the end of the rains (roughly September–December) but thin out in the hot months, while peak viewpoints close 1 June–30 September.↗
Carry leech socks and sturdy footwear for forest walks in the rainy season, and a good camera—much of the park is a natural photo studio.↗↗

About this guide

Compiled with AI assistance from the sources below; this is not a first-hand visit. Place details collected October 5, 2026. Hours, access and ratings can change; confirm with the venue before visiting.

Finding your next place…

Khao Yai National Park

Why go?

A World Heritage forest on the edge of the city

More of Thailand: Bangkok

Finding your next place…

Khao Yai National Park

Why go?

A World Heritage forest on the edge of the city

More of Thailand: Bangkok

The waterfalls that anchor a visit

Viewpoints, grasslands and a sky full of bats

Into the forest on foot

Night safari—and the reality of wild elephants

Planning your visit

What makes it special

A little planning goes a long way

About this guide