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Deer Cave Mulu
Step into the awe-inspiring world of Deer Cave in Mulu National Park—where millions of bats soar, ancient rock formations tower above, and the rainforest leads you to one of Earth’s most extraordinary natural wonders. This is not just a cave; it’s a living cathedral of stone and life.
Why Visit
Deer Cave isn’t just a geological marvel—it’s a multi-sensory journey through time, nature, and mystery. Located deep within Gunung Mulu National Park, this UNESCO World Heritage Site is home to the largest cave passage in the world, a thriving bat colony, and the ethereal Garden of Eden.
Whether you’re a spelunker, nature lover, or simply curious, Deer Cave offers an unforgettable experience that blends adventure with wonder.
Inside
The Grand Entrance
- A 146-meter-high opening that swallows you into darkness
- Lush rainforest trail leads to the cave mouth
The Bat Kingdom
- Home to 2–3 million bats of various species
- Bat guano supports a thriving insect ecosystem
- Bat exodus at dusk is a must-see spectacle
The Garden of Eden
- A 1,000-meter-wide sunlit oasis inside the cave
- Lush vegetation grows where light pierces the darkness
- A surreal contrast to the cave’s shadowy interior
Abraham Lincoln Rock
- A natural rock formation resembling the U.S. president in profile
- A popular photo spot near the cave exit
Don’t Miss Lang’s Cave
- Located just 100 meters from Deer Cave
- Smallest accessible cave in Mulu, but rich in detail
- Features stalactites, stalagmites, and decorated limestone walls
- Great for close-up views of cave-dwelling creatures
Tour Details & Tips
- Tour Name: Deer & Lang’s Cave Guided Tour
- Duration: ~3 hours
- Includes: Rainforest walk, cave exploration, bat viewing platform
- What to Bring: Flashlight, water, sturdy shoes, insect repellent
- Photography: Allowed (no flash inside caves)
Quick Facts at a Glance
| Attribute | Details |
|---|---|
| Name | Deer Cave (Gua Rusa) |
| Location | Gunung Mulu National Park, Sarawak, Malaysia |
| GPS Position | 4.0500° N, 114.8000° E |
| State | Sarawak |
| Length | 4 km (2.5 miles) |
| Main Chamber | 169 m wide, 125 m high |
| Entrance Height | 146 m |
| Passage Width | 120–150 m |
| Notable Feature | World’s largest cave passage |
| Wildlife | 2–3 million bats, insects, snakes |
| Nearby Cave | Lang’s Cave (100 m away) |
| Tour Duration | ~3 hours (guided) |
| Special Sights | Garden of Eden, Abraham Lincoln rock |
| Lighting | Partially illuminated—bring flashlight |
| Best Time to Visit | Late afternoon (bat exodus) |
| Access | 3.5 km rainforest walk from park HQ |
| Contact | Borsarmulu Park Management Sdn Bhd No 11, Pekan Mulu, E-mail: enquiries@mulupark.com |
What Visitors Say
“Walking into Deer Cave felt like entering a cathedral carved by nature. The bat exodus at sunset was absolutely mesmerizing.” – Clara M., Germany
“Lang’s Cave was a hidden gem—intimate, beautiful, and full of surprises. The rock formations were like art.” – Amir & Nadia, Malaysia
“The Garden of Eden inside Deer Cave was like something out of a dream. Sunlight, greenery, and silence—it was magical.” – Tom & Ellie, UK
Ready to Explore the Depths of Borneo?
Whether you’re chasing the echo of bat wings or marveling at ancient limestone formations, Deer Cave in Mulu is a journey into the heart of the Earth.
Book your guided tour today and witness one of the world’s greatest natural wonders—where rainforest meets cavern, and darkness gives way to Eden.
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