Gunung Mulu National Park is a hidden gem in the heart of Borneo, in the Sarawak region of Malaysia. This UNESCO World Heritage Site is famous for its karst landscapes, stunning caves, mountains, and rainforests that harbour incredible biodiversity. If you’re planning a trip to this destination, prepare for an experience that combines adventure, nature, and the opportunity to discover one of the world’s most unique ecosystems. From exploring giant caves to hiking jungle trails, Gunung Mulu National Park offers activities for all tastes.
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Although visiting Gunung Mulu National Park may seem While its remote location might present a bit of a challenge, I guarantee the experience will be well worth it. In this travel guide, we’ll provide all the information you need to plan your adventure: from the best activities and hiking trails to accommodation options and practical tips for making the most of your visit. We’ve also included a frequently asked questions section to help answer any questions you may have before you set off. So, if you’re ready to immerse yourself in Borneo’s unspoiled wilderness, read on and discover everything Gunung Mulu National Park has to offer.
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What to do in Gunung Mulu National Park?
Gunung Mulu National Park is a paradise for nature and adventure lovers. Here, every corner is filled with natural wonders waiting to be explored. Below, we present some of the most notable activities you can do during your visit:

1. Explore Deer Cave
Deer Cave is one of the largest caves in the world by volume and undoubtedly one of the park’s main attractions. This cave is famous for its immense size and for being home to millions of bats that emerge en masse at dusk in search of food. The sight of these bats spiraling out of the cave is truly impressive and unique. To reach Deer Cave, you will need to walk about 3 kilometers from the visitor center, along a trail that leads you through the lush rainforest. This hike is an experience in itself, as it will allow you to observe the local flora and fauna as you make your way to the cave.
2. Discover the Wind Cave and the Clear Water Cave
Another must-do activity in Gunung Mulu National Park is a visit to the Wind Cave and the Clearwater Cave. These two caves are connected and can be explored on a guided tour that will take you through underground passages filled with stalactite and stalagmite formations. The Wind Cave gets its name from the constant air current that circulates through it, making the experience even more fascinating. As for the Clearwater Cave, it is famous for its underground river, which has created an impressive system of tunnels and chambers. This is one of the longest cave systems in the world and offers a unique perspective on the park’s geology.
3. Canopy Trail Hike
For those who enjoy heights, the Canopy Trail is one of the best ways to experience the rainforest from a different perspective. Located about 25 meters above the ground, this trail allows you to walk among the treetops and observe the park’s biodiversity from above. It is a unique opportunity to see birds, insects and, if you are lucky, some species of mammals that inhabit the heights of the jungle. The hike is safe and well-maintained, making it accessible to most visitors.

4. Trekking to the Pinnacles Trail
The Pinnacles Trail is one of the most challenging and rewarding hikes in Gunung Mulu National Park. This trail takes you to the top of the Pinnacles, a series of limestone spires that rise dramatically from the rainforest. The hike is demanding and requires a good level of fitness, as it involves steep ascents and tricky descents. However, the views from the top of the Pinnacles are absolutely spectacular and make all the effort worthwhile. From there, you can enjoy a breathtaking panorama of the karst formations that characterise this region.
5. Visit to Lang Cave
Lang Cave is another of the subterranean wonders of Gunung Mulu National Park. Although smaller compared to other caves in the park, its stalactite and stalagmite formations are just as impressive. This cave is ideal for those seeking a more tranquil and less strenuous experience, but who still wish to explore the park’s underground world. Furthermore, Lang Cave is home to several species of bats and insects, making it an interesting spot for biology enthusiasts.
6. Underground Diving
If you are an experienced diver, Gunung Mulu National Park offers you the unique opportunity to go cave diving in its underground rivers and lakes. This type of diving allows you to explore parts of the park that are inaccessible to most visitors and offers a unique insight into the subterranean ecosystem. It is important to note that this activity is for experienced divers and requires proper preparation. The sensation of immersing yourself in crystal-clear underground waters is something few have the opportunity to experience, and it’s one of the park’s most exclusive activities.

7. Get to know the local culture
Gunung Mulu National Park is not only a place for adventure, but also an opportunity to learn about the indigenous cultures that have inhabited this region for centuries. You can visit local communities and learn more about their traditions, crafts, and way of life. It’s a great way to enrich your travel experience and connect with the people who have called this region home for generations.
8. Night Hike Through the Jungle
If you’re staying at least one night in Gunung Mulu National Park, try to book a guided night hike. As the sun sets, the jungle transforms completely: the most curious insects emerge, tiny frogs appear, the occasional lizard is found, and, with luck, you might see birds sleeping or hear monkeys in the distance. The guide sets the pace, using a headlamp and explaining every sound heard among the trees. It’s not a demanding route, but it is a very sensory experience: humidity, the smell of wet earth, and the jungle’s symphony as a soundtrack. It’s a different way to experience this park, beyond the caves and treks.
9. Boat trip on the Melinau River
Another really cool experience is taking a traditional boat trip on the Melinau River. Besides being the way to reach caves like Clearwater Cave, the journey itself is worthwhile: dense jungle on both sides, small wooden houses on the banks, and, occasionally, children waving from the docks. On calm days, the river is like a mirror, and the scenery becomes almost hypnotic. If you can, try to do it early in the morning, when the heat isn’t yet intense, and there’s usually a light mist on the water. It’s a perfect activity to unwind between treks.
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Where to stay in Gunung Mulu National Park?
Choosing the right accommodation is essential to making the most of your visit to Gunung Mulu National Park. Fortunately, the park offers a variety of options to suit all budgets and preferences.
1. Mulu Visitor Centre
The visitor centre offers an affordable option for those seeking basic but comfortable accommodations. Here, you can choose between shared rooms or private cabins, all located in the heart of the rainforest. Staying at the visitor centre has the advantage of being very close to the park’s main attractions, making it easy to plan your daily activities.
2. Mulu Marriott Resort & Spa
If you prefer a bit more luxury during your stay, the Mulu Marriott Resort & Spa is an excellent choice. This five-star resort is located on the banks of the Melinau River and offers a perfect combination of comfort and nature. The rooms are designed in a traditional style but feature all modern amenities, such as air conditioning, a spa, a swimming pool, and restaurants. It’s the ideal place to relax after a day of exploring the rainforest.
3. Lodges and Local Guesthouses in Gunung Mulu National Park
For those seeking a more authentic experience closer to the local culture, lodges and guesthouses managed by indigenous communities are an excellent option. These accommodations are simpler, but offer a unique opportunity to interact with the local population and learn more about their way of life. Furthermore, they tend to be more affordable and are located in places that will allow you to enjoy nature at its best.

Tips for your visit to Gunung Mulu National Park
Visiting Gunung Mulu National Park is an unforgettable experience, but it requires good preparation. Here are some practical tips to make your trip as enjoyable as possible:
1. Book in advance
Due to the park’s popularity, especially during peak season, it is advisable to book both accommodation and activities in advance. This not only guarantees you a place to stay but also secures a spot on the most popular tours, such as cave visits.
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2. Bring the right gear
The climate in Mulu is tropical and humid, so it’s essential to bring lightweight clothing, rain gear, trekking boots, and insect repellent. It’s also advisable to bring a flashlight or headlamp if you plan to explore caves, as well as plenty of water and snacks to stay hydrated and energised during your hikes.
3. Hire a local guide
Many of the trails and activities in Gunung Mulu National Park require the presence of a guide. In addition to ensuring your safety, local guides have in-depth knowledge of the park. They can offer you a more enriching experience by providing information about the local flora, fauna, and geology.

4. Be a responsible traveller in Gunung Mulu National Park
Gunung Mulu National Park is a fragile natural environment, so it’s crucial that you respect the park’s rules and avoid leaving any waste. Take everything you bring with you back, and follow the “leave no trace” principle. By doing so, you’ll help preserve this incredible ecosystem for future generations.
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Frequently Asked Questions about Gunung Mulu National Park
To reach Gunung Mulu National Park, most travellers choose to fly from Kuala Lumpur, Miri, or Kota Kinabalu to Mulu Airport. From there, a short drive will take you to the park. A more adventurous option is a boat trip followed by a hike from Limbang.
The best time to visit Gunung Mulu National Park is during the dry season, from April to October, when the trails are in better condition and the weather is more stable. However, as it is a tropical climate, rain is possible at any time of year.
Yes, especially during peak season. Guided tours of the main caves, such as Deer Cave and Wind Cave, are very popular and should be booked in advance.
Yes, as long as you follow the guides’ instructions and wear the appropriate equipment. Safety is a priority in the park, and the guides are well-trained to handle any situation.
To fully enjoy Gunung Mulu National Park, a stay of at least three days is recommended. This will allow you to explore the main caves, go hiking, and relax in the natural surroundings at a leisurely pace.
Pack lightweight, breathable clothing, a raincoat, hiking boots, insect repellent, and a flashlight. It is also advisable to bring plenty of water and snacks for the hikes.
Yes, Gunung Mulu National Park offers accommodation options ranging from basic cabins to more comfortable lodges. There are also luxury options such as the Mulu Marriott Resort & Spa.
Yes, a guide is required for most activities within Gunung Mulu National Park. This ensures your safety and enriches the experience with valuable information about the environment.
The park is home to a wide variety of species, from birds and bats to macaques and a rich array of insects. Guides will help you identify and observe the local wildlife.
Gunung Mulu National Park offers family-friendly activities, such as short hikes and visits to accessible caves. However, some more challenging routes may not be suitable for young children.
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