Thailand National Parks: Nature Reserves You Shouldn't Miss
Written by the editors of theo-courant.com, your reference guide to Thailand and South-East Asia - based in Bangkok, at the heart of Thai culture.
From tropical jungles to remote beaches, Thailand is home to some of Southeast Asia’s most spectacular national parks. Here are the must-sees for nature lovers.
Thailand boasts over 150 national parks, covering mountains, rainforests, coastlines, and pristine islands. These protected areas offer incredible biodiversity, dramatic landscapes, and a wide range of outdoor experiences. Whether you’re into hiking, wildlife watching, or eco-adventures, here’s a curated list of the best national parks in Thailand, from the mountains of the north to the tropical seas of the south.
Top National Parks to Visit in Thailand
Khao Sok National Park – Ancient jungle and scenic lake
Located in southern Thailand, Khao Sok is home to one of the world’s oldest rainforests. Its highlight is Cheow Lan Lake, with limestone cliffs rising above emerald waters and floating bungalows.
- Activities: trekking, kayaking, night safaris, lake stays
- Access: from Surat Thani, Khao Lak, or Phuket
Doi Inthanon National Park – Thailand’s highest peak
At 2,565 meters, Doi Inthanon is Thailand’s highest point. This northern park offers cool weather, waterfalls, hill tribe villages, and nature trails.
- Highlights: Wachirathan waterfall, royal pagodas, forest hikes
- Ideal for: photography, birdwatching, light trekking
Erawan National Park – Emerald waterfalls and lush jungle
Near Kanchanaburi, Erawan is famous for its seven-tiered waterfalls, cascading through tropical forest.
- Activities: swimming, jungle walks, spotting monkeys
- Access: by bus or scooter from Kanchanaburi
Khao Yai National Park – Wildlife and waterfalls near Bangkok
A UNESCO World Heritage Site, Khao Yai is one of the country’s largest national parks, home to elephants, gibbons, deer, porcupines, and over 300 bird species.
- Activities: guided treks, Haew Suwat and Haew Narok waterfalls
- Access: by car or minivan from Bangkok (2.5 hours)
Ao Phang Nga National Park – Limestone cliffs and mangroves
Famous for its dramatic karst seascapes and caves, this marine park features dozens of islands and James Bond Island.
- Activities: kayaking, longtail boat tours, exploring sea caves
- Departure points: Phang Nga, Phuket, or Krabi
More Must-See Parks in Thailand
Mu Ko Similan – World-class diving and marine life
In the Andaman Sea, the Similan Islands are among the top diving spots in Asia.
- Season: open from November to May
- Activities: scuba diving, snorkeling, island-hopping
Mu Ko Surin – Coral reefs and remote island atmosphere
Less visited than Similan, the Surin Islands offer pristine reefs and calm waters, ideal for snorkelers and nature seekers.
- Activities: snorkeling, tropical fish watching
- Access: from Khuraburi (Phang Nga province)
Doi Suthep-Pui National Park – Forests and culture near Chiang Mai
This park features the Doi Suthep temple as well as forest trails, waterfalls, and Hmong villages.
- Activities: hiking, cultural visits, panoramic views
- Easily accessible from Chiang Mai city
Nam Nao National Park – Cool climate and forest trekking
Located in Phetchabun province, Nam Nao is off the beaten track and great for forest treks and stargazing.
- Activities: camping, wildlife watching, hiking
- Weather: cool at night, peaceful year-round
Hat Chao Mai National Park – Wild beaches and coral reefs
In Trang province, Hat Chao Mai offers quiet beaches, caves, and good snorkeling in a lesser-known marine park.
- Activities: beach walks, snorkeling, boat trips
- Access: from Trang or Pak Meng Beach
🗓️ Best Seasons to Visit Thailand’s National Parks
| National Park | Best Season | Avoid Season | Weather or Wildlife Highlights |
|---|---|---|---|
| Khao Sok | December – March | September – October | Misty mornings, lush jungle all year |
| Doi Inthanon | November – February | May – September | Cool weather, ideal for hiking |
| Khao Yai | November – February | August – October | Active wildlife, easier trails |
| Erawan | November – May | June – October | Clear waterfalls, good swimming spots |
| Ao Phang Nga | November – April | May – October | Calm seas, best for kayaking |
| Mu Ko Similan | November – May (open) | June – October (closed) | Excellent diving, clear visibility |
| Mu Ko Surin | December – April (open) | May – October (closed) | Best for snorkeling and coral reefs |
| Doi Suthep-Pui | November – February | July – October | Green forest, fewer crowds |
| Nam Nao | November – March | July – September | Cool nights, good for trekking |
| Hat Chao Mai | December – April | May – October | Dry season, peaceful beaches |
📌 Practical Info for Visiting National Parks in Thailand
- Entry fee: 100–400 THB for foreigners; sometimes free for kids
- Opening hours: typically 8 AM to 5 PM
- Seasonal closures: marine parks often close during monsoon (May to October)
- What to bring: water, mosquito repellent, sunscreen, good shoes, rain gear
- Overnight stays: available in some parks (camping or DNP bungalows)
❓ FAQ
How many national parks are there in Thailand?
There are over 150 national parks, including mountainous, forest, and marine areas.
Can I camp in Thai national parks?
Yes, many parks allow camping. Some offer tent rentals on-site.
Best park for spotting wildlife?
Khao Yai is the most accessible park to spot elephants, gibbons, and other wild animals.
Best park in the south for nature and adventure?
Khao Sok for its rainforest and lake lodges, or Similan Islands for marine life and diving.
🧭 Travel Tips for Visiting Thailand’s National Parks
- Arrange transportation ahead, especially for remote areas
- Avoid weekends in popular parks like Erawan or Khao Yai
- Check updates on the DNP official website or the National Parks Facebook page
- For help or reservations, call the DNP info center: +66 (0) 2562 0760-3 or +66 (0) 2561 0777 ext. 1743, 1744
🎒 Why You Should Visit Thailand’s National Parks
Whether you’re hiking through northern mountains, drifting on a jungle lake, or diving among coral reefs, Thailand’s national parks offer a powerful connection to the country’s wild side — an essential experience for any traveler looking to explore more than just beaches and temples.
