Jungle Trekking & Hiking Inside & Outside Gunung Leuser National Park

Bukit Lawang, North Sumatra

We focus on quality, all our jungle trekking in Bukit Lawang, Gunung Leuser National Park will always prioritize finding animals as many as possible to spot. According to the Mongabay publication related to the most biodiverse countries in the world, Indonesia is positioned number second after Brazil to host the most biodiversity on earth. It’s becoming a requirement in SUMECO to follow the official regulation and be professional during the jungle trekking inside Gunung Leuser National Park while we are recognized to be a conservation organization operated tours. We completely understand your expectations, that’s the reason why you visit Bukit Lawang, and choose SUMECO as your trekking operator.


SUMECO (Sumatra Ecoproject) is a wildlife conservation organization based in Bukit Lawang, North Sumatra, we are committed to conducting responsible tourism activities. to support the preservation of the biodiversity of Gunung Leuser National Park.

The activities inside Gunung Leuser National Park through Bukit Lawang, will cover the exploration of biodiversity, especially the endemic species. With + 40 EUR / day of regulated price, during the activities, you will be assisted by an expert on local wildlife (a zoologist) for species identification. The regulated prices include food, camp, guides, and documentation during the expedition. A nocturnal hike is included in all packages, and the search for nocturnal species inside Gunung Leuser National Park is our priority.

The activities outside Gunung Leuser National Park such as patrol and monitoring will be depending on informations we received from our informants in the villages. The rescue of protected species will be accompanied by officers from Nature Conservation Agency (Ministry of Environment and Forestry of Indonesia).

We prioritize preparation before activities, for any question you can ask privately or openly. We will do our best to meet the criteria and expectations you demanded during the activity with the SUMECO team in Bukit Lawang. Preparation through communication has to be held within 24 hours before the activity is started. We advise you to frequently check the weather forecast in Bukit Lawang. Bukit Lawang is a village that often experiences sudden rain, so taking a simple raincoat is essential.



Jungle Trekking in Bukit Lawang, North Sumatra

Sumatran Orangutan

Jungle trekking in Bukit Lawang, North Sumatra with us, will provide you with more information about the biodiversity of our Gunung Leuser National Park. Our jungle trekking will always be combined with a full exploration of wildlife sightseeing, it will be included diurnal and nocturnal hikes. For herpetologists and those who love snakes, our herping tour will be the second main activity after day trekking to look for semi-wild and wild orangutans in Bukit Lawang.


Looking For Semi-wild and Wild Sumatran Orangutan.


Generally, the wild Sumatran orangutan in Bukit Lawang remains poorly discovered as most jungle trekking in Bukit Lawang remains focused on semi-wild orangutans; the behavior of wild orangutans in Bukit Lawang is also affected by the behavior of semi-wild orangutans. The possibility of encountering real wild orangutans without adaptive behavior in Bukit Lawang is very slight. We are always interested in this challenge to look for the real wild Sumatran orangutan in Bukit Lawang through our jungle trekking, especially to observe and learn their true-wild behavior that makes them stay on the top of the trees and even difficult to spot them as they always avoid any contacts from human (rare interspecies interaction).

Jungle Trekking in Halaban

Wild Sumatran Elephant

Jungle trekking in Halaban Ecotourism, is something new and unique we could offer you. This jungle trek will provide you with more information about the ongoing situation of Gunung Leuser National Park in a non-touristic area. Jungle trekking in Halaban will always be focused on looking for wild Sumatran elephants, it will include diurnal and nocturnal hikes as well.


Looking For Wild Sumatran Elephant.


Generally, the wild Sumatran elephant in Halaban Ecotourism remains poorly known, while in fact, Halaban is likely categorized as the edge part of Gunung Leuser National Park with the more flat area where many wild Sumatran elephants are concentrated there.Halaban is a new ecotourism village established by its local community and SUMECO against the illegal logging and hunting activities in Tenggulun. Let’s be honest, not all part of Gunung Leuser National Park are safe from any wrongdoers conducting illegal activities inside the park, however, the willingness to change from the local community, who would love to preserve the Leuser’s biodiversity, is there! Halaban Ecotourism was established at June, 2023.

Conservation Based Ecotourism: Responsible Jungle Treks & Tours

In a workshop on identifying key biodiversity areas held in Banda Aceh, it was revealed that at least 243 fauna and flora are threatened with extinction in Sumatra. The endangered biodiversity consists of 29 species of birds, 38 species of mammals, 8 species of amphibians, 12 species of reptiles, 14 species of fish, and 142 species of plants. One level of threat to the species is the ongoing destruction of habitats or forests.


From the results of the analysis, it is estimated that the forests of Sumatra, especially the lowland forests, will be severely damaged if significant conservation actions are not carried out to inhibit, or even stop the rate of forest destruction, 1.4 million hectares per year. Because of that, it is necessary to identify biodiversity areas to be used for conservation-based ecotourism. Sumatra has a hotspot, namely an area that has a high level of biodiversity but also faces a high level of threat. There are 24 hotspots in the world, two of which are in Indonesia, namely the Sundaland and Wallacea hotspots. Sumatra is included in the Sundaland hotspot which shows that Sumatra has high diversity but is also accompanied by a high level of threat to biodiversity.


In order to avoid having a detrimental influence on the ecosystem, it is crucial to conduct jungle trekking and tour activities ethically by paying attention to our attitudes in the jungle during the activities. SUMECO, an organization dedicated to wildlife conservation, places a high value on eco-friendly principles.


The Exploration of Leuser’s Biodiversity Through Jungle Trekking in Bukit Lawang.


With its allure of unparalleled variety, Gunung Leuser National Park is referred to as the “lungs of the world.” This national park is one of the biggest flora and fauna protected areas in Southeast Asia, administratively including districts in Aceh and North Sumatra. The vegetation of the Gunung Leuser National Park (TNGL) region comprises Sumatra’s flora from the standpoint of biodiversity.


Flora of Gunung Leuser National Park.


The vegetation of Gunung Leuser National Park shares a strong relationship with that of the Malaysian Peninsula, Borneo, Java, and even the Philippines. Gunung Leuser National Park is home to 3,500 different varieties of plants. According to a quote from the official website of Gunung Leuser National Park, the bioclimate (an elevation climatic zone with a variety of floristic formations) is one of five factors used to define the natural vegetation formations. The connections between floristic composition and biogeography, hydrology, bedrock type, and soil make up the other four criteria.


Fauna of Gunung Leuser National Park.


Gunung Leuser National Park is known to be one of the ecosystem areas in the world with the most biodiversity. Sumatran Island belongs to the Malaysian subregion in terms of animal geography. The abundance of species in Gunung Leuser National Park is mostly concentrated in regions that are between zero and one thousand meters above sea level in elevation.


Gunung Leuser National Park and the surrounding area known as the Leuser Ecosystem Area are the habitats of the Sumatran elephant (Elephas maximus sumatranus), Sumatran tiger (Panthera tigris sumatrae), Sumatran rhinoceros (Dicerorhinus sumatrensis), Sumatran orangutan (Pongo abelii), siamang (Hylobates syndactylus), white handed gibbon (Hylobates lar), and Thomas langur / kedih (Presbytis thomasi).

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