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Observe Orangutans

Take only photographs, leave only footprints


Sumatra EcoVentures is a unique travel organisation

Sumatra EcoVentures is an ethical organisation. When joining our local guides you are also investing in the local communtities.
We are a unique organisation as we not noly provide responsible trekking in the amazing  
Gunung Leuser National Park, but also specialize in taking guests on eco-treks to less explored areas and forests. 
We are revealing other enchanting vulnerable environments to our guests. Helping to protect threatened areas of forests by working with local people and supporting local communities.


Responsible Trekking in Bukit Lawang

Bukit Lawang is a great place to start your jungle experience of the Gunung Leuser National Park. The trails are well established and it is reasonably easy to see ex-captive Orangutans lively freely, Thomas-leaf Monkeys, Macaque monkeys and other wildlife. Go deeper into the jungle to see wild orangutans, hornbills and other interesting wildlife.


The jungle is mountainous so involves uphill and downhill hikes. However, all our treks are suitable for anyone which is fit and healthy. 

We've highlighted our most popular jungle treks below.


Our most popular trek

Community-based tourism - support & interact with local people, learn, discover about the myths & legends of the landscape.

Your money stays within the community paying fair salaries, paying local landowners and services


2 Day Combo Discover trek

Discover the hidden forests at Landak River

Eco trek into the hidden Karst forests, rich in biodiversity with a small population of wild Sumatran Orangutans. No established trails, untouched by mass tourism, explore the huge towering rocks formations and cave systems for a really wild experience. 

Half day Eco-Trek

Welcome Eco-Trek

A short trek to discover the hidden forests, towering rock formations whilst searching for wild Orangutans.

Duration: 4 hours

Fitness level: Low


Rp 350,000

1 day Eco-trek

Discover Wild Orangutan Trek

A full day trek to discover the hidden forests, rock formations and cave systems. Wild orangutans, monkeys, bats and interesting footprints

Duration: 6-7 hours

Fitness level: Average/good


Rp 750,000

2 day Eco- trek

Camp Overnight

Take in the beauty of the hidden forests fully by camping under the rocks. Different habitats, forests, plantations, caves,wildlife, rivers for a real wild experience

Duration: 30 hours

Fitness level: Average/good


£ enquire

What People Say

Customer Rating:


Half day eco-trek, July 2017

I had a great experience at my very last day in Bukit Lawang! The guide is not feeding or calling the animal. The benefits: Wildlife stays wild and you can observe the natural behaviour of the animals. 

Ludwig, Germany

2 Day Jungle Trek, March 2019

they turned a very good experience into an incredible. They know perfectly the jungle and interesting facts about that. I recommend you!

Maria, Spanish

4 Day Jungle Trek, February 2020

 It was an absolutely incredible experience and one I will cherish forever. The trek itself was impeccably organized and the guides were fantastic. The wildlife was astonishing....

Niki, Ireland

Batu Katak Adventures

Discover the ecotourism destination, home to one of the largest flowers in the world, Titum arumAmorphophallus titanum. Gibbons can be seen in the local karst forest.


Flower Trek

Explore the Karst forests to see the corpse flower, the amazing Rafflesia or Titum Arum flower.Learn about these intersting flowers.

Duration: 4 -5 hours

Fitness level: low to average


Rp 450,000


Gibbon Trek

Watch the agile Gibbons in the karst forest. Trek through less explored forests and maybe even see some wild orangutans as well as othe interesting wildlife.

Duration: 8-9 hours

Fitness level: Average/good


Rp 600,000

Guest entering water cave-Batu katak.jpg

Water Cave Trek

Discover the Karst forest and wonder at the amazing rock formations.  Enter the spectacular water cave, spot the insects and hear bats click that live within. 

Duration: 6-7 hours

Fitness level: Average/good


Rp 800,000

We understand that it can be difficult to know what trek is best, so send us an email or drop us an message so we can offer the most suitable trek for you or a custom made trek.

Whatever your perfect trek we have it covered!

Why Travel with Us?

Responsible Travel

Don't just come, travel and see, help make positive changes

help bahorok school.jpg

How we Help

By working with the local community we can make small changes

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