Thailand has always been a favourite among Singaporeans, and for good reason. Beyond the well-trodden paths of Bangkok, Krabi, and Phuket, there are undiscovered treasures offering a fresh twist on Thai adventures. We’re talking about some of the best national parks and islands in Thailand.
Whether you’re after untouched beaches, verdant landscapes, or retreats steeped in local charm, this list has at all. So, if you’re planning your next long weekend escape, bookmark this list and get ready to explore Thailand’s best-kept secrets.
The current exchange rate is ฿100 = ~S$3.98 as of 11th February 2025.
Table of Contents
Image credit: Unsplash
Khao Sok National Park in Surat Thani Province looks like it’s right out of Jurassic Park. Covering about 739 square kilometres, Khao Sok is home to lush rainforests, deep valleys, sparkling lakes, mysterious caves, and a whole lot of wildlife.
Ever wondered what a 160-million-year-old rainforest looks like? Khao Sok is one of the world’s oldest – even older than the Amazon. The park boasts a rich variety of flora and fauna, including rare species and unique ecosystems. Plus, don’t be surprised if you catch sight of wild elephants meandering near Cheow Larn Lake, all set against towering limestone mountains.
Image credit: Khao Sok National Park
Besides sightseeing, there are heaps to do here for adventure lovers. Think jungle trekking, canoeing on Cheow Lan Lake, and exploring caves. But don’t worry about planning your trip – you can book a guided tour to make the most of your visit.
A popular option is the 2-day Khao Sok Jungle Safari tour. It includes a 3-hour trek through the rainforest, an overnight stay in a cosy bungalow, a canoe ride down the Khao Sok River, and even a visit to a hilltop temple. At S$544.50 per person, with transfers from and to Krabi included, it’s a pretty sweet deal for a full-on adventure.
Image credit: The Laguna Chiew Larn
For those who prefer to carve out your own adventure, here’s a tip: plan to spend at least 2 days at Khao Sok to soak it all in. You can even opt for a unique overnight stay at one of the floating raft houses, only accessible by longtail boat.
One popular choice is The Laguna Chiew Larn (฿13,000/night), about a 45-minute boat ride from Cheow Lan Dam Municipal Pier. Their Sea View rooms, which fit up to 4 people, and canoe rentals make for a laid-back afternoon on the lake.
Getting to Khao Sok National Park: Book a quick 1-hour and 35-minute flight to Hat Yai with Singapore Airlines or Scoot, then catch a bus from Hat Yai to the park.
Image credit: @phuhvit via Instagram
Lampang, the capital of Lampang Province, is a charming city located about 100 kilometres southeast of Chiang Mai. Known locally as “Mueang Rot Ma” or the “Horse Carriage City,” it still offers rides in its traditional horse-drawn carriages – a nostalgic nod to simpler times that adds to its unique appeal.
But if you’re up for a stroll instead, Lampang’s old town is incredibly walkable. Wander through streets lined with centuries-old temples, quirky museums, and lively markets, each whispering stories of the once-mighty Lanna civilisation.
Image credit: @jee_jeera via Instagram
If you only have time to visit one attraction, let that be Wat Phra That Lampang Luang. It’s known as one of Thailand’s most revered temples. This masterpiece of early Lanna architecture features open-sided assembly halls with gold lacquered pillars and vibrant murals that showcase traditional craftsmanship. The temple is a key pilgrimage destination, especially for those born in the Year of the Ox, since it was constructed during that very zodiac cycle.
No entrance fee is required, though donations are appreciated. To get there from Lampang town, take a horse-drawn carriage (around ฿300), grab a taxi (roughly ฿170-220), or rent a scooter or car. The journey takes about 25 minutes one way, making it an easy and worthwhile visit.
Image credit: @tikapiphawadee via Instagram
Another must-visit, especially for animal lovers, is the Thailand Elephant Conservation Centre. This unique facility is dedicated to caring for and rehabilitating elephants – serving as both an elephant hospital and a training hub. It offers visitors a rare insight into the ongoing efforts to protect these majestic creatures. Psst, there’s even a 3-day mahout training course (฿24,060), where you can learn more about the elephants alongside their trainers.
Getting to Lampang: 3-hour flight to Chiang Mai via Scoot, followed by a 2-3 hour bus ride to Lampang.
Image credit: Maksim Shutov via Unsplash
Often dubbed the “Maldives of Thailand,” Koh Lipe is a tropical gem located within Tarutao National Marine Park. The island delivers pristine beaches, crystal-clear waters, and a vibrant underwater world that’ll have you snapping photos non-stop. And here’s the kicker – it’s just a heartbeat away from the Malaysian border, with a breezy 1.5-hour ferry ride to get you there.
There’s plenty to keep you busy on Koh Lipe. Dive into island tours or take a plunge with snorkelling and scuba diving at hotspots like Sunrise Beach and Pattaya Beach. For those looking to take diving more seriously, you can even get certified with the PADI 5* Center’s Scuba Discovery program. You’ll start with a brief theory and gear rundown before taking part in guided 12m dives.
Image credit: @horzo_tazko via Instagram
When night falls, the party kicks off with drinks and live music at Zodiac Beach Bar or fiery shows at Pattaya Beach. And if you’re lucky, you might just catch the bioluminescent plankton lighting up the waters at certain parts of the island, creating a natural, otherworldly glow that’s nothing short of unforgettable.
Getting to Koh Lipe: 1-hour and 35-minute flight from Singapore to Hat Yai via Scoot. Followed by a bus or taxi to Pak Bara Pier, where you can take a 1.5-hour long ferry or speedboat journey to Koh Lipe. Alternatively, you can also fly to Langkawi in Malaysia and get on a ferry from there. Do note that the ferry from Langkawi only operates from mid-October to mid-May.
Most of us know Chiang Mai well, but here’s a lesser-known secret in the province: Chiang Dao. Nestled beneath Doi Luang Chiang Dao – Thailand’s third tallest mountain – this destination is ideal for those seeking an escape from the usual tourist trail.
Image credit: @chanannth via Instagram
One of the top attractions here is Chiang Dao Cave. The cave has 2 parts: a well-lit main section that takes about 30 minutes to an hour to explore, and a darker, more mysterious area that requires a guide. For a touch of adventure, try the pitch-black section. Entrance costs ฿100, with an extra ฿100 if you opt for a guide.
Image credit: @mjcuva via Instagram
After the cave, take a short 2km stroll to Wat Tham Pha Plong. This walking temple involves a 500-step climb, but trust us – it’s well worth it for the panoramic views of the surrounding jungle. Whether you’re there for a spiritual stop or simply enjoy a good workout with a view, it’s worth a visit.
Image credit: @kookai_ob via Instagram
Nature lovers will find plenty to do in Chiang Dao, too. The area is rich in biodiversity, making it ideal for hiking and bird watching, with trails suited to all fitness levels. And if you’re cycling around, don’t miss a stop at Makhampom Art Space, a multipurpose workshop space, gallery, cafe, and co-working spot all wrapped up in one.
Getting to Chiang Dao: 3-hour flight to Chiang Mai via Scoot, followed by a 1-hour and 30-minute bus to Chiang Dao.
Koh Kood is an under-the-radar island that’s all about pristine beaches, crystal-clear waters, and a relaxed vibe perfect for your next tropical escape.
Snorkelling is one of Koh Kood’s top draws, alongside scuba diving, kayaking, and boat trips to nearby islands. The island’s crystal-clear waters make it a brilliant spot to get close to vibrant marine life – even if some areas have a few less colourful coral patches. With mild currents, snorkelling here is perfect for everyone, whether you’re a total newbie or a seasoned diver.
Most snorkelling trips take you to 3 to 4 different sites, including popular spots like Koh Rang island, located about an hour away, and areas off the west coast around Bang Bao Bay. Daily trips kick off at 8am, starting with a 45-minute boat ride from Bang Bao to your underwater playground. Prices typically run at around ฿1,000/person, which includes hotel transfers and the boat ride.
For trips to Koh Rang Marine Park, it’s a bit more at ฿1,200/person – covering transfers, equipment, lunch, and drinks, plus a National Park fee of ฿200/adult and ฿100/child.
Image adapted from: @kohkooddivers via Instagram
If you’re more in the mood to soak up some rays than dive into the deep blue, Koh Kood’s beaches won’t disappoint. The island is known for its sandy stretches like Khlong Chao Beach, Ao Noi Beach, and Bang Bao Bay.
Ao Noi Beach, with its crystal-clear waters and iconic wooden piers, offers a more secluded, tranquil retreat perfect for unwinding. Meanwhile, Bang Bao Bay is a postcard-worthy paradise featuring turquoise waters, fine white sand, and swaying coconut trees that lend a refreshing touch of shade.
Image: @mjarveli via Instagram
But the adventure doesn’t stop in the water. Venture ashore and discover fishing villages where charming stilt houses line the shoreline, offering a peek into Koh Kood’s authentic way of life. Stroll through villages like Ao Yai, where you can chat with friendly locals and enjoy fresh seafood at reasonable prices.
Getting to Koh Kood: A flight to Trat Airport, connecting in Bangkok. Then, transfer to Laem Sok Pier, followed by a ferry ride to Koh Kood.
Image credit: @nikurakong via Instagram
Kanchanaburi is a popular resort town in western Thailand. It’s best known for the Bridge over the River Kwai and the 130km-long Death Railway. Built during World War II by Allied POWs and Asian labourers under brutal conditions, this railway was meant to transport troops between Thailand and Burma, costing over 100,000 lives.
Fun fact: the Death Railway has been featured in literature and film – including the famed 1957 classic The Bridge on the River Kwai, although that was filmed in Sri Lanka.
Besides its historical lore, Kanchanaburi is a haven for outdoor enthusiasts. One spot you can’t miss is Erawan Waterfall, tucked away in Erawan National Park, famous for its 7 tiers of cascading water and refreshing emerald ponds. The park, named after the legendary 3-headed white elephant of Hindu mythology, even features a top tier that some say resembles an elephant head.
Erawan National Park isn’t just about waterfalls – it’s a mix of mixed deciduous forests and dry evergreen woodlands, with limestone hills, plains, and meandering streams. The park also boasts several caves scattered throughout the area for the more daring ones to explore.
Getting to Kanchanaburi: A 2-hour and 25-minute flight to Bangkok, followed by a bus or train ride (2-3 hours).
Image credit: @koraricx via Instagram
Koh Tao is an underrated island gem in Thailand for scuba divers and snorkelers alike, known for its stunning beaches and vibrant marine life. One spot you should bookmark is Tanote Bay on the eastern coast.
Surrounded by hills and impressive boulders, Tanote Bay is one of the best places to snorkel around Koh Tao. And if you’re feeling adventurous, you can even try cliff jumping off a large rock in the middle of the water – just be sure to use the rope ladder for safe access up.
Image credit: @air_pavisara via Instagram
For those who prefer a bit of hiking with a view, head over to the John Suwan Viewpoint. Located at the southernmost tip of the island, this viewpoint offers panoramic scenes of Koh Tao, with Chalok Baan Kao Bay on one side and Shark Bay on the other.
The hike is a moderate 500m climb that takes about 15 to 20 minutes. You’ll need to navigate some rock scrambling near the top, but ropes are provided to help with the steeper parts. Entrance is just ฿50-100 per person, which is all worth it for the views you get.
Getting to Koh Tao: 1-hour and 55-minute flight to Koh Samui via Scoot or Bangkok Airways, followed by a ferry from either Bangrak Pier or Maenam Pier to Koh Tao. The ferry ride takes about 1.5 to 2 hours.
If, like us, you’ve always wanted to be part of The Wild Thornberrys growing up, Koh Yai National Park is a great nature park in Thailand to add to your bucket list. This UNESCO World Heritage Site spans roughly 2,168 square kilometers, featuring tropical seasonal forests and grasslands, including one of mainland Asia’s largest intact monsoon forests.
Nature lovers will be in their element with over 3,000 plant species and a vibrant array of wildlife. Keep an eye out for around 200 wild elephants, sambar and barking deer, gaur, wild pigs, bats, gibbons, and macaques. Khao Yai is also home to Thailand’s largest hornbill population, along with approximately 320 bird species.
Image credit: @eswvthy via Instagram
No trip to Khao Yai is complete without a stop at its stunning waterfalls. Haew Suwat – made famous by the film The Beach – and Haew Narok are both refreshing spots that offer a perfect break from the tropical heat.
Getting to Koh Yai National Park: A 2-hour and 25-minute flight to Bangkok, before catching a train or bus to Pak Chong – the closest town to the park. If you’d rather travel in comfort, consider a private taxi or minivan. From Pak Chong, the drive to Khao Yai takes about 2-3 hours.
Mae Hong Son is a remote province that’s a well-kept secret in northern Thailand. Nestled in the Shan Hills near the Myanmar border, this area offers a unique mix of Thai and Burmese influences that you can see in its architecture and local customs.
One of the highlights here is the temples in the town, such as Wat Phra That Doi Kong Mu. This temple not only serves as a spiritual hub but also offers panoramic views of the town and the surrounding mountains – a perfect spot for a quiet moment or a killer Instagram shot.
Image credit: @babesam4x via Instagram
Venture a little further and you’ll discover the vibrant hill tribe villages that dot the region. Mae Hong Son is home to diverse ethnic groups, including the Karen (Kayin), Hmong, and Lisu people. These communities welcome visitors to learn about their traditions, crafts, and way of life, making it an enriching cultural experience.
The Karen, particularly the Long Neck Karen from villages like Huay Pu Keng and Huai Seau Tao, are renowned for their distinctive neck rings. To support the community, visitors can take part in handicraft workshops or purchase clothes, jewelry, and other trinkets sold by vendors.
Getting to Mae Hong Son: A 3-hour flight from Singapore to Chiang Mai, followed by a 5-hour and 30-minute bus to Mae Hong Son.
Image credit: @amandinebrnd via Instagram
Once the capital of the Kingdom of Siam, Ayutthaya is now a UNESCO World Heritage Site brimming with historical ruins. Often seen as Thailand’s alternative to Cambodia’s Angkor Wat, this ancient city offers a fascinating glimpse into a once-thriving metropolis that ruled for over 400 years.
Explore Ayutthaya Historical Park by cycling or strolling among its ruins. The park sprawls across an island surrounded by the Chao Phraya, Pa Sak, and Lopburi Rivers and is dotted with 425 archaeological sites, including temples, palaces, and crumbling monuments.
Image credit: @kengyaso via Instagram
An essential stop is Wat Phra Si Sanphet, a former royal temple that once held the title of the holiest site during the Ayutthaya period. Its 3 towering chedis perfectly capture the classic architectural style of ancient Siam and are a real treat for any history buff.
Don’t miss the Chao Sam Phraya National Museum, which houses an impressive collection of artifacts recovered from Ayutthaya’s temples and palaces – ranging from exquisite Buddha statues and ceramics to royal regalia and golden offerings. Entrance costs just ฿30, but it’s the perfect treasure trove of ancient Siamese art and culture.
Getting to Ayutthaya: A 2-hour and 25-minute flight to Bangkok, then hop on a train or bus from Hua Lamphong Train Station to Ayutthaya – usually about 1.5 to 2 hours, with departures throughout the day. If you prefer a more direct ride, a taxi or ride-sharing service will get you there in roughly the same time, traffic permitting.
In just 10 points, we hope we’ve shown you there’s more to Thailand than the usual tourist spots. With all this inspiration, you’re probably already eyeing your next long weekend or planning to use up that leave. These underexplored national parks and islands prove that even in Thailand, there’s plenty left to check out right in our own backyard. So, why not plan a trip and see for yourself?
More travel itineraries for Southeast Asia:
Cover image adapted from: @koraricx, @nikurakong via Instagram & Nopparuj Lamaikul via Unsplash
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