Explore Mulu National Park: Caves and Rainforests
Welcome to Mulu: Where Time and Nature Collide
Hidden deep in the heart of Borneo, Mulu National Park is more than just a travel destination — it’s a living museum of Earth’s ancient history. Imagine a place whose story began 40 million years ago beneath the sea, a land shaped by water, limestone, and time itself.
Recognized for its unique natural beauty and scientific value, Mulu was declared a UNESCO World Heritage Site in 2000, and is the largest national park in Sarawak, spanning over 55,000 hectares.
Why Mulu Is One of the World’s Most Unique Natural Wonders
Mulu meets all four World Heritage criteria, a rare achievement shared by fewer than 20 sites globally. Here’s why:
Superlative Natural Beauty: Towering limestone peaks, vast river systems, and pristine tropical rainforest.
Geological Marvels: Home to some of the world’s most spectacular caves and karst formations.
Biodiversity & Ecology: A thriving ecosystem perfect for wildlife watching, trekking, and nature discovery.
Natural History: A landscape that tells the story of our planet’s evolution.
The Legendary Caves of Mulu
Caves are Mulu’s signature attraction — and for good reason. The region’s heavy rainfall and massive limestone formations have created an underground wonderland of record-breaking dimensions.
Must-See Caves in Mulu:
Deer Cave: One of the largest cave passages in the world. Stick around at dusk for the bat exodus – a thrilling spectacle where 3 million bats take flight in a swirling cloud.
Sarawak Chamber: The largest naturally enclosed space on Earth. It's so big, it could fit 40 Boeing 747s.
Clearwater Cave: Among the top 10 longest cave systems in the world, featuring an underground river and crystal-clear pools.
Whether you’re a hardcore spelunker or a curious traveler, Mulu’s caves offer something for every level of adventure.
Things to Do in Mulu National Park
From adrenaline-pumping treks to peaceful boat rides, Mulu offers a wide range of activities for all types of travelers.
For the Adventurous
Climb Mulu Summit: High-altitude challenge with rewarding views.
Scale the Limestone Pinnacles: A dramatic, spiky skyline that rises from the forest floor.
Advanced Cave Exploration :Tackle wild caves like the Sarawak Chamber or Clearwater Connection (permit and guide required).
For Nature Lovers
Rainforest Walks: Enjoy self-guided trails and discover exotic plants and animals.
Bird Watching: Climb the bird tower for a chance to spot rare tropical species.
Sunset River Cruise: Drift along the Melinau River in a traditional longboat.
Whatever your pace, make sure to book activities in advance and allow enough time to fully absorb Mulu’s wonders.
Meet the People of Mulu
Mulu is not just about nature—it’s about people, too. Mulu has been a legendary place since ancient times, rich in fish stocks, local fern and the firm local favorite - wild boar! From the river-based Berawan tribe of Long Terawan to the now settling Penan in the villages of Batu Bungan and Long Iman: these are the Mulu locals and they play an integral part in the affairs of Mulu National Park.
Visit Local Villages: Stop by Batu Bungan or Long Iman to experience local life and browse traditional handicrafts.
Try a Blowpipe: Test your aim with this traditional hunting tool!
Support Local Tourism: 96% of Mulu National Park’s workforce are proud locals who help preserve and share their heritage.
Getting to Mulu
The moment your plane descends into Mulu, you’ll know you’ve arrived somewhere special. Mulu Airport offers a breathtaking first glimpse of the untouched rainforest.
By Air
Twice daily from Miri
Daily from Kuching
Three times weekly from Kota Kinabalu (via MASwings)
For the Adventurous
Take the famous Headhunters’ Trail from Limbang, passing the remote Camp 5 and the iconic Pinnacles before arriving at the park headquarters. It’s the ultimate way to enter Mulu — if you’re up for the challenge.
Why Mulu Should Be on Your Travel Bucket List
Mulu isn’t your typical tourist destination. It’s a place of raw, untouched wilderness — where ancient stories are written in stone, and the rainforest hums with life. Whether you're in search of caves that defy imagination, hikes that push your limits, or a peaceful escape into nature, Mulu National Park is a once-in-a-lifetime experience.
Tips
Come prepared with rain gear, sturdy footwear, personal medical kit and a torch.
Cash is essential - there are no banks.
Rainforest microclimate is unpredictable and often results in delayed flights or activities, for safety sake.
Adhere to the expertise of guides as adventure activities are high risk in nature and medical assistance is limited.
For more resources, refer to Mulu Park website www.mulupark.com
