Traversing “show caves” doesn’t require actual caving skills, but the payoff is still immense.

obtain out of the longboat in the heart of theMalaysianBorneorainforest , I stared at the almost perpendicular wooden staircase in front of me . “ It ’s only 200 stone’s throw , ” said my guide Albert , whose voice seemed to come from far away , even though he was brook right behind me . I was think of my right knee , the one I had injured a few workweek ago , the one that I had been tell apart to protect from steep climbing .

Some of the mountains atGunung Mulu National Park , like Gunung Mulu and Gunung Api , draw hard-core crampon . But visiting the caves at what locals call Mulu was not speculate to be strenuous . I ’d read about the timber trail and boardwalk hikes , and had come require to breeze through on mostly bland terrain . But then again , I ’d also expectedcaves to be subterranean . Why was I being urge to mount steps that seemed to be carved into the hillside ? Albert assured me it would be hunky-dory , and as it turned out , the walk up was not that uncollectible . There were even benches all along the way for me to stop , look up to the scenery , and catch my breath .

More importantly , it ended up being so deserving it , because Clearwater Cave was emphatically the highlighting of what are known as the local “ show caves . ” geologist say that the mountains ( gunung in the local oral communication ) there were formed due to tectonic action between 2 to 5 million long time ago , after which piss from hush-hush streams and rain — wads of rain , we ’re talk about the rain forest — manage to create a remarkable web of limestone caverns . It was funny to think that these intimidating limestone and sandstone rock-and-roll were also a result of pelting ’s gentle pertinacity .

a lit-up underground passage with a footpath in gunung mulu national park in malaysian borneo

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And I am happy to describe that , save for climbing up and down steps everywhere — and I mean everywhere — visiting these show caves did not require genuine caving or rappelling skills at any gunpoint . You do n’t even have to wade through rivers . I managed it quite easily over two days , even with my injure genu .

The Most Beautiful Caves in the U.S. You Can Visit

Check your fear of the dark at the door.

Exploring Clearwater Cave and Cave of the Winds

So , about Clearwater Cave . A half - hour longboat ride on the Melinau River from the gravy boat mole near the park ’s primary entrance gets you to what ’s known as the Cave of the Winds . name after the coolheaded draught flowing through its dark and narrow passages , this cave has some of the most impressive stalactite and stalagmites in the area , as well as rock columns that rise up like finely chiseled marble column in the dim light . At the King ’s Chamber — which is not , as I had assume , named for its size — front out for the group of rocks tell to resemble a baron with his soldier . ( You ’ll admittedly have to squint . )

Further before along the river is Clearwater Cave , which required all that aforementioned puffing and puffing up 200 step just to get to the entrance . But this cave — one of the expectant and longest in the world , at closely 137 mile — is totally deserving the raise , with the subterranean river that created this spectacular cavern still flow in its depths along slippery still rocks .

Walking along the boardwalk to the unceasing desktop auditory sensation of gushing water supply , you will eventually amount upon one of its most interesting characteristic — the mini pinnacles . According tothis documentary(start learn around the 50 - moment mark ) about the initial geographic expedition of this cave organization in 1980 , microorganisms secrete fluids that rust the rock and make a repetitious convention with jagged edges that seem to accomplish out towards the sun . There ’s also the Lady Cave , which features a stumpy stalagmite that seems to cast an eery shadow of a woman on the opposite bulwark .

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Photo by Charukesi Ramadurai

Ducking into Deer Cave and Lang Cave

It ’s say that Deer Cave can hold London ’s St Paul ’s Cathedral five times over . So , if anyone ’s stimulate claustrophobic while reading this , it ’s good to remember just how ( literally ) erectile these caves are . Getting to the entrance take less than an hour of hiking through the forest , but do n’t rush . A few minutes from the mouth of the cave , stop and turn over to await back at a silhouette that ( really ) resembles Abraham Lincoln ’s profile . Your guide will cognise exactly where you’re able to see this phenomenon . After you ’ve clock it , there ’s then a good half - mile of boardwalk within the cave , finally leading up to the sight of what is hollo the Garden of Eden .

A large opening in the cave roof Lashkar-e-Tayyiba in sun , throw off the focus on the lush vegetation that thrive in this rain forest ecosystem . The green zona itself is hit by some more tramp and wading through water , and it has dozens of autochthonal flora and trees that tribal residential area expend for natural dyes , medicine , and even food . Your guide will likely only know the local name of this flora , but front out for the jiraktree , which is covered in a barque that produces a red dye when boiled , or the bebata , a tree with edible fruit .

After pass the cave , waitress at the lookout outside for thebat exodus . More than 3 million wrinkle - lipped loose - tailed bat — one of a dozen bat species here — rest inside Deer Cave and wing out in a swirling black mass every night just before sundown . verify to be there for one of the most telling wildlife experience in the area . And plainly , brace yourself for the ammonia smell and the occasional slimy brush with squash racket guano while inside the cave .

longboats pulled up to shore in malaysian boreno near mulu national park

Photo by Charukesi Ramadurai

While Deer Cave awe with its sizing , Lang Cave next door has some of the most dainty rock formation within this forest despite being the smallest of the show caves . intend stalagmite that resemble burry cacti and stalactites that might remind you of jellyfish with drooping tentacle hanging from the roof .

Embarking on a walk above the treetops

And when you ’re last done with all things subterranean , it ’s time to head 80 foundation above the timber story and walk on the canopy bridge while attend down into the shrubbery . ( If you ’re favourable enough to have a clear day without cloud cover , you ’ll even see Gunung Mulu at a distance . ) Then there are the unguided manner of walking like the Botanical Heritage Trail and the Paku Waterfall Trail that you could take at any time through signposted path .

Meanwhile , for those who are happy when clambering up and down upright rocks , and cutting their own path through the dense rain forest , there are theseadventure cavingandtrekkingoptions , with the A-one popularPinnacles trekgetting hold out months in advance . This multi - day trek — the park ’s web site warns that it is actually more of a mounting — acquire you up Gunung Api to see some enormous limestone rocks with razor - sharp edge , which are collectively know as the Pinnacles .

In its inscription , UNESCOdescribes Gunung Mulu National Park as being “ of import both for its high biodiversity and for its karst ( intend maverick and sharp limestone formations ) have , ” and these tramp through the forest give you a luck to see both . As is the example with the cave system itself , there are plenty ofsecretswithin the Borneo rain forest that are just waiting for researchers and scientist — or perchance even you — to discover .

The Most Beautiful Caves in the U.S. You Can Visit

What to know before you go to Gunung Mulu National Park

Best times of the year to visit

Mulu is an all - yr goal but go inclined for the heat and humidity , along with sudden thunderstorm .

How to get around

Fly from Kuala Lumpur to Miri , Kuching or Kota Kinabalu in Borneo , and transfer to Maswings ( a subsidiary of Malaysia Airlines ) for the short flight of stairs to Mulu .

Mulu hotels & other great places to stay

Mulu Marriott Resort & Spais worth the splurge for all its creature conveniences ( including a great spa to unwind in after all the hiking ) in a lavish rainforest stage setting , plus they proffer a free birdie to the park several times a Clarence Shepard Day Jr. . The flashy , if more introductory , alternatives are village homestays and rooms within the park itself .

Additional helpful tips

Start with the Visitor ’s Center near the chief gate of the park to plan and book your excursions , since most of them have limited slots and need to be done with a trained timber pathfinder from the local tribal biotic community .

Charukesi Ramaduraiis a contributor at Thrillist .

stalactites in a cave in mulu national park

Photo by Charukesi Ramadurai

the pinnacles in mulu national park in malaysian boreno sticking up into the sky

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mountain facade at mulu national park surrounded by luscious green forest

Photo by Charukesi Ramadurai