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Caves Activities

  OVERVIEW ..............................................................................................................................................................
 

Park Entry Fee RM 10 per person each day that you enter the park.
Enquire at the park office about group discounts.

Upon arrival all visitors to the Park must register and pay a National Park Entry Fee as set by the Sarawak Government.

Mulu possesses some of the largest and most spectacular caves in the World.

The lure of discovery continues to draw international caving expeditions, who have mapped over 300 km of cave passages. These expeditions have surveyed over 150km of the Clearwater Cave System within Gunung Api and discovered many caves including the World’s largest cave chamber, the Sarawak Chamber.


While all four of the Show Caves in the Park were formed by the action of water dissolving the limestone and by the action of powerful rivers flowing through them, each has their own particular attraction.

Visitors are not permitted to enter any of the caves within the Park without a Licensed Park Guide. 

Daily tours with Mulu World Heritage Guides are available to all the show caves.  Enquire at the Park Headquarters office to register and to pay your Park Entry and Guiding Fee.  Unless you are a large group, reservations for the show caves are not essential.

Similar services are also offered by local Tour Operators using Licensed Park Guides.


 

  SHOW CAVES ........................................................................................................................................................
 

Visiting Deer and Langs Caves
Open                       2.00pm to 5.00 pm daily
Getting there        Rainforest Discover Walkway
Distance/time    3km, allow 1 hour each way & time in the caves

  Show Cave scheduled tour with
  World Heritage Guide

RM10 Per Person

 

 

Tours with World Heritage Guides leave the Park Office each day at 1.45 and 2.30 pm for Deer and Langs Cave.  Visitors must be at the office 10 minutes before departure time.

An easy walk along the Rainfall Discovery Walkway winds through the lush forest and alongside rushing rivers to the entrance of the World’s largest cave passage.

Pause in Deer Cave’s ancient riverbed and wonder at the force of the water that once roared through, tumbling huge boulders around and carving the scalloped walls. Above your head columns of water stream from the roof to join the river passages that twist and turn through the mountain, continuously enlarging and changing the shape of the cave.  Listen, that squeaking noise is the 3 million strong colony of Wrinkle Lipped bats stirring themselves. 

They sense that dusk is not far away and begin to prepare to leave the cave to feed on insects.  The birds you see swooping through the darkness are the swiftlets returning to roost in the cave.  The path continues to wind deeper into the blackness of the cave and suddenly the Garden of Eden appears in the distance, a green oasis shining in the sunlight. Nearby are Adam and Eve’s Showers spouting 30 metre columns of water to the river far below.

 

Langs Cave

Deer Cave is awesome, large and bold but only 100 metres away is Langs Cave.Small and intimate, with walls beautifully decorated with long shawls, layers of rim stone pools on the floor, and throughout the cave, spectacular stalagmites and stalactites. 

In this smaller cave the bats are easier to see, small white cave prawns hide in pools of water and shimmering near the roof are strands of web spun by the thread worm larvae waiting for a passing meal.

After visiting the caves, you can wait at the Bat Observatory to view the evening exodus of bats from the Deer Cave.    Drinks and snacks are on sale each afternoon.

       

 

 

Bat Exodus

While you wait in the Bat Observatory as you wait for the nightly flight of bats to begin watch the secret life of millions of bats on BAT CAM. This remote controlled, closed circuit TV system takes you into the dark recesses of the cave to observe the bats ‘live’ and closeup. Expectation builds as the sun moves towards the horizon and the Bat Hawks take up their roost on the cliff face, waiting for the first of the millions of bats appear.

Twelve species of bats have been recorded within Deer Cave, including the Wrinkled-Lipped Bat, a colony of free-tailed bats estimated to number between 2.5 and 3.5 million.

Expectation builds as the sun moves towards the horizon and the Bat Hawks take up their roost on the cliff face, waiting for the first of the millions of bats appear. Each evening the bats gather at the cave entrance in large ring-shaped formations, circling higher and higher up the cliff face before moving out across the rainforest in spiraling ribbons.

It has been estimated that nightly each bat consumes between five and ten grams of flying insects. This means that 3 million bats will return in the morning to deposit a huge amount of guano in the cave and provide a unique ecosystem, home to millions of insects and their predators.

The bats leave the cave on most evenings between 5.30 pm and 6.30 pm but on rare occasions do not leave at all.

The return trip to Park HQ is a wonderful time to move through the forest, listening to the calls of the frogs and insects and often seeing fireflies and stick insects.

     

 

  The Garden of Eden Pools
 

  World Heritage Guide

  Garden of Eden Pools  1-5 persons RM200.00 and
  RM40.00 per additional person to a maximum of 12 people.


 

Experience both the caves and the rainforest in one adventure.

Start leave the Park Office at 1.00pm with your guide.
Distance/Time 9km walk – round trip to the Park Office

You have a choice of two adventures

First a half day activity

leaving the office between 12.00 and 1.00pm.  The journey begins on the Rainforest Discovery Walkway and then deep into Deer Cave.  At the end you leave the regular tour route and climb down to the underground river.  Your destination is Garden of Eden, the glowing light and pools of water at the far end of the cave.


Be prepared to get dirty and wet, this is the home to millions of bats and swiftlets, and you will be passing near 30 metre columns of water falling from the roof of the cave. Enjoy the extraordinary feeling of being in this very special place and swimming in a secluded mountain pool.  Around 4.00pm emerge from Deer Cave and finish the tour by visiting Langs Cave.  It is a good idea to change into dry clothes to await the Bat Exodus.


OR

Garden of Eden Valley and River Walk

  World Heritage Guide

  Garden of Eden Valley and River Walk minimum 2
  persons RM95 per person maximum of 8 people
  Picnic Lunch and afternoon tea is included
  No additional charge for Deer and Langs Cave
  tours when combined with the walk.

 

 

 

Start be a the Park office by 9.00am to get organized and meet your guide

Distance/Time 12km walk – round trip to the Park Office.

Begin your adventure early leaving the Park Office, between 9.00 and 10.00am, because you will be venturing deep into this ancient enclosed valley which can only be entered via Deer Cave. 

From the Garden of Eden pool, climb, walk and swim up the Eden River to the walking trails that wind around the valley to a series of waterfalls and rock pools perfect for swimming.  This secluded valley receives few visitors and is an ideal place for a picnic lunch, photography, exploring and enjoying the peace.  After exiting the Deer Cave your Guide will show you Langs Cave then leave you at the Bat Observatory to wait for the Bat Exodus around dusk. You return to park HQ at your leisure along the Rainforest Discovery Walk.

Prior bookings are essential for this tour which is available only with World Heritage Park Guides.  Heavy rainfall in the area may mean cancellation of this tour at short notice

(Note if you are on a 3 day 2 night visit to Mulu you probably do not have time for this walk.)

     

 

 

Visit Clearwater and Cave of the Winds in the mornings
Turtle Adventure Cave adventure (an extension of Clearwater Cave) at 12.00 noon

Open                              9.30am to 12.30 pm daily
Getting there               Take a longboat from Park HQ 
Distance//Time          3.8 km /3-4 hours (including the boat ride)
Walking                         Leave HQ before 9.00am  return 3.00pm

  Scheduled Show Cave  tour with World
  Heritage Guide

  9.45 or 10.30 a.m. at the cave
  Turtle Cave adventure

RM10 per person

RM20 per person

  Longboat from Park HQ to Caves and return

RM30 per person

 

 

 

Visitors must register and purchase tickets for cave tours with World Heritage Guides at the Park Office. (visitors may not enter any cave on the Park without a Licensed Guide)  Guided tours run daily, leaving from the Cave of the Winds entrance at 9.45am and 10.45am. Please be at the cave 10 minutes before the tour leaves.

Glide down the Melinau River in a longboat past the everyday life of the Mulu community and visit the Penan longhouse market on your way to Cave of the Winds and Clearwater Cave.  (The market is not open on Sundays.)

 


Or instead of the longboat trip to the Caves, slow down, walk and take your time.   You can follow the concrete pathway beside the Melinau River through the rainforest, but be warned, you must climb the 427 steps up to Moonmilk Cave along the way. This pathway with automatic lighting in the cave, passes right through the limestone outcrop called Batu Bungan – ‘the Lady of the Rock’ – but take a torch just in case of black outs.

Meet your Guide at the Cave of the Winds where millions of years ago, the first minute calcite crystals were deposited, building majestic columns and stalagmites in the King’s Chamber.

 
Your Guide will take you on a short walk further along the river to the nearby Clearwater Cave where the river roaring beneath your feet has travelled its subterranean route for over 108 km. Giant logs thrown high on the banks and wedged under boulders are evidence of the power of this mighty underground river.  Swimming is not permitted in the cave.

Outside the cave, swim in the crystal-clear waters where the river emerges from the cliff face. Float with the fish and enjoy the rainforest around you.  Take a picnic lunch and relax at the Clearwater picnic site.
 
         

 

 

Turtle Cave (Easy Level)

Why not try leaving the Clearwater Cave by river instead of the pathway. Your Park Guide will lead you down into the river away from the lights to a very different world. Be careful as you walk, the rocks are sharp and sometimes you will need to swim with the river current for short distances on its path out of the mountain.


Purchase your tickets at the Park Office before leaving.  You will need to take a torch and shoes suitable to protect your feet.


The Guide is not permitted to take you adventure caving if you are wearing sandals.

 

 
ADVENTURE CAVING......................................................................................................................................

Overview

Do you want to see more of Mulu’s vast cave system? Then try adventure caving and no matter what your experience, there is an adventure just right for you.

Caves are rated as Introduction, Intermediate and Advanced.  You need to be reasonably fit with the ability to be underground in small dark places. Caving at Mulu often involves wading across rivers or streams, squeezing between rocks and through crevices, swimming up underground rivers, and of course, getting covered in dirt.

The Park provides competent guides, caving helmets and headlamps. Visitors need to bring their sense of adventure, wear good walking shoes, take some water.On the longer tours you should take some snacks to eat after you have finished caving.

     

 

 

Racer Cave (Intermediate Level)

  Total time

  3 - 4 hours

  World Heritage Guide

  RM200 for 1 - 5 persons extra person RM40,
  maximum of 8

  Longboat to cave
  entrance

  RM18 per person (minimum of four people)

 

 

 

The walk to Racer Cave takes about 40 minutes, or you can hire a boat and save time and energy. Your underground journey will take about 2 hours depending on the group size, the more people, the longer it will take (maximum of 8 persons).

 

Your guide leads you through the cave climbing up and down the passageways with the aid of ropes. This cave requires some upper body strength but most people are successful. Enjoy the great feeling that comes with discovering your abilities and meeting a physical challenge.


Animal life in this dark place will amaze you; see insects that have evolved with curious shapes, replacing vision with long feelers to navigate in this underground world and Racer Snakes that have learned how to catch a meal as it flies past.

 

 

Lagangs Cave (Intermediate Level)

  Total time

  3 hours

  World Heritage Guide

  Group of 1 - 5 persons RM200




The walk to the cave entrance takes about 40 minutes on flat ground. OR you can hire a longboat if you are short of time.


This is a beautiful cave with many stalactites, stalagmites and examples of ancient river bed sediments. Equipped with helmets and torches you scramble over boulders and along ancient rivers beds. Experience the thrill of seeing this underground world by torchlight and the anticipation of what is around the next dark corner.


There is no climbing in this cave which makes this is a great adventure, ideal for family groups.

 

 

Clearwater/Wind Cave Connection

  World Heritage Guide

  RM300 for 1 - 5 persons extra person RM60, maximum of 8.

  Longboat to Wind Cave

  RM30 per person return minimum of 2 persons.


(Advanced – requires Park Manager approval)
Clearwater Connection is a tour for visitors that
  • Can demonstrate current membership of an internationally recognized speleological society or caving group, or
  • Can provide details of* previous caving experience or
  • have completed one of the easier tours at Mulu first.
Minimum previous experience for this cave is described as an expedition of at least 5 hours duration in a wild cave which has no lighting or pathways.
* Verifiable written evidence on each participant’s previous caving experience and S.R.T. experience must be provided to the Park Manager for his approval. It should list the caves visited, their location, and describe the trip e.g. vertical rope work, crawling in confined spaces, climbing, swimming, horizontal or vertical systems.

If you do not have previous experience you can go to Racer Cave first where your guide will assess your abilities. If you are successful an advanced adventure caving trip can be organized for the next day.

Clearwater Connection is a long trip (4.8km) and depending on fitness takes between 6 to 8 hours. (Larger groups take more time)
 
 

 

Beginning in the show cave section of the Cave of the Winds adventurers leave the tame pathways behind and venture into the ‘wild’ chambers.
Your route is over rugged terrain strewn with boulders that requires some climbing up and clambering down muddy slopes.
Areas that are hazardous have fixed ropes and guides carry personal ropes to assist you in sections that require climbing.

For many the 1.5km river section is the highlight as it is exceptionally beautiful and refreshing after the hard caving. The Clearwater Connection tour is not available when the water levels are too high.




 

Sarawak Chamber (Advanced)

  World Heritage
  Guide

  RM500 for 1 - 5 persons extra person RM100,
  maximum of 8.

(Advanced – requires Park Manager approval)
Sarawak Chamber is a tour for visitors that

  • Can demonstrate current membership of an internationally recognized speleological society or caving group, or
  • Can provide details of* previous caving experience or
  • have completed one of the easier tours at Mulu first.


Sarawak Chamber is a challenging trek even for fit and experienced cavers. Taking one very full day, beginning at 6.30 am at the Park HQ office you will follow the Summit Trail for about 3 hours. Access to the chamber is via Gua Nasib Bagus (Good Luck Cave) taking about 3 hours along a 800 metre river channel with sheer rock faces rising to about 50 metres on either side.

After a 200 metre traverse and a steep boulder slope you come face to face with the inky blackness of earth’s largest chamber. Enjoy a short rest at the mouth of the chamber, before the return trip.

You will need to have good hiking boots, a day pack, raincoat, lunch, water, personal first aid kit and a back up torch. You will be provided with a caving helmet, head lamp and ropes as required.


If the water levels are too high, the tour must be cancelled and the group returns to Park headquarters.


CANCELLATION BY THE PARK STAFF

  • If the trek is cancelled before leaving the Park office then there will be a full refund.
  • Once you have left the Park Office there will be no refund whatever the reason for the tour not going all the way to Sarawak Chamber eg, fitness levels, water levels or sickness.
  • If during the trek to the cave entrance the guide believes that water levels will be too high in Sarawak Chamber but still suitable at Drunken Forest then the tour will be changed at no extra charge.
 

 
 
 
 
 
 
 
 
 
 
 
 
 
     
     
 
 
 
 
   
   
   
   
     
   
     
 
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