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Tree Planting Trek at Karst Forest

Embark on a unique half-day/full day and over night treks through the Karst forest and plant fruit trees at a pre-designated area. Animal markings, Orangutans, Gibbons and snakes are a common sighting in this adventure and you also have the option of rafting back along the Karst Forest River.

Half Day Treks

Immerse yourself in nature on a half day trek. You can choose to trek in Karst Forest or Gunung Leuser National Park. Learn about jungle history and native wildlife. It’s home to Orangutans, Gibbons and you may also see the rare Tatum Arum Flower during your trek!

Overnight Treks

These treks are perfect if you want to experience the jungle by night and wake up to the natural alarm clock of nature. It will provide you with an inspiring journey through outstanding terrain and a chance to dip in the river. The overnight treks can take place in either Karst Forest or Gunung Leuser National Park.

Build your own trek

Chat with our SoCE team to design your own unique experience and what wildlife, flora and fauna you want to see in either the Karst Forest or the Gunung Leuser National Park.

Full Day Treks

Extend your trek to a whole day through the Karst Forest or Gunung Leuser National Park. What better way to enjoy the jungle by having a cooked lunch in the heart surrounded by nature. the added experience of rafting to and from a 2-hour water cave exploration.

Local Cuisine and Medicine

Up your cooking game with a one-on-one culinary learning experience with a local family, who will teach you how to prepare authentic Indonesian cuisine. 


Experience how local people from the village make traditional medicine, such as Kuning Mentar and Sembur, working in harmony with the forest.


Find out more

For more details and a price list on the treks and expeditions you can download our full guide here



We enable tourists to help rebuild the rainforest with a local team by planting trees and our programme supports local people and tourists to gain a better understanding of the jungle and how to protect it.


Trekking with Children


Families trekking with children may choose to get involved in the Darwin Animal Doctors Youth Rangers programme that is run in one of the many local organisations in Batu Katak or Bukit Lawang. This programme is delivered by Bukit Lawang Trust and aims to inspire children and young people to get close to nature and experience the natural wonders of this world. 

Young Trekkers will learn about animal tracks, the flora and fauna of the Gunung Leuser ecosystem, get involved in natural treasure hunts and build jungle shelters.


How to Book


Follow this simple process to book your next expedition with us.


Step 1: Select the expeditions you are interested in

Step 2: E-mail your inquiry to or Whatsapp +62 813 7565 3607

Step 3: One of our amazing team members will get in touch with you

To secure your booking, we ask for prior payment of a 25% deposit via bank transfer. We would like to receive the remaining amount in cash when you arrive.

​Health & Safety


SoCE takes health and safety very seriously. All of our treks and activities are risk-assessed and reviewed on a regular basis. We have health and safety plans in place for all treks.

The guides are here to keep you safe. When you are on a trek, it is important you listen and follow all instructions from your guides to ensure that you stay safe in the jungle. Everyone has a responsibility in the jungle to stay safe and be aware of your surroundings.

Before you arrive


As a guest in this beautiful place, it's important to respect the delicate ecosystem while you explore. Take a look at this guide from UNESCO on best practice of visiting the jungle.

Indonesia is home to the largest Muslim population in the world - this means that the culture maybe very different to where you call home. Take a look at our Culture Guide and be mindful of the simple, yet widespread local practices that would help you to enjoy your time better.

Trek Essentials

  • Water - 1.5L bottle per person (where possible, please use a sustainable bottle)

  • Small bag-pack

  • Good walking-boots or shoes

  • Long knee socks

  • Toilet paper

  • Small plastic bag for used toilet paper (you will dispose of this when you return to Batu Katak).

  • Insect repellent (check with your guide for the best insect repellent as some can harm wildlife, you can buy local insect repellent which is natural and doesn’t harm wildlife)

  • Charged digital camera or mobile phone to capture unforgettable moments

  • Torch/Flash Light

  • Any medication you require

  • For overnight treks

  • Sleeping Bag

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