Mangkaliat Karst Jungle Mountains

Kalimantan Karst is largest watershed in the world

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Mangkaliat Limestone Forest Wildlife

The Mangkaliat karst peninsula in East Kalimantan is one of the largest untouched area's of watershed in the world, the formation of the karstic outcrops, ist totaly undiscovered, due it's poor infrastructure and rough terrain. After five years of research and with the help of TNC (The Nature Conservancy) we now are ready to serve several routes into the Karst formations. The amazing limestone forest is home to rare bads, and not to forget orangutans, and other wildlife creatures. The unique flora and fauna of the limestone forest and karts crops with beautiful views from the tops, over an unhabitat area covered with an emerald jungle, explore the caves with historic signs of the Dayak tribes who may ever habitated the area, can't held an emotional feeling behind for those with interest in geology.The Karst of East Kalimantan Province, Indonesia at the foot of Wehea Park has an amazing Flora and Fauna, the Tropical Rain Forest, and low-land rain forest, an inland belt of gentle limestone walls standing more then a few hundred meters right in the sky, over ranges of a few kilometers long, and forming one of the last undiscovered dark jungle's of Borneo. The wild life is exotic, orangutan, only found at Sumatra and Borneo, along with the endemic proboscis monkeys, and other forest denizens including clouded leopard, leaf monkey, macaque, pangolin anteater, tiny tarsier, lizards, crocodiles, pythons and more then 600 bird spieces as the most famous Sun Birds, pheasants, Kakatua, and Hornbills.The ecological wealth that survive deep within the Karst limestone forest as one of the last unexplored jungle in Indonesia, we now can serve for the adventurous travelers. Join us for a once-in-a-lifetime exploration of the Kalimantan Island


Tour Duration 07 Days / 06 Nights

Upon arrival at Berau airport, meeting service and transfer overland for about one hour to Merasa Dayak Kenyah village, possibility for sightseeing at the color full village of extra ordinary art and vibrant design as flowing geometrical portraying scenes of jungle life, dinner at local restaurant overnight at local guesthouse.

Simple breakfast, preparation for our adventure trip by canoe cruising the Lesan river through the jungle while you can enjoy the sceneray and wildlife, passing Bawan Orangutan Island, as the ultimate orangutan spot. Continue cruising to Dayak Lesan Village, Lunch en route. Upon arrival at Dayak Lesan village meet our host and drop our stuff, possibility to explore the village and do jungle treks arround to explore the protected primary forest of Lesan to search for orangutans and other wildlife creatures, return to village for dinner and overnight.

Simple breakfast at Local house, a forest trek for wildlife and orangutans, afterwards we will cruise upstream Lesan River by motor-canoe for about two hours to the limestone forest, during the sail you can enjoy the forest view at the river banks, the birds, and other creatures along the way, we will pass “Dog stone” to end up at an old Dayak Grave in the forest, Lunch en route, short trek in the limestone forest before we head back to Lesan Dayak village, for dinner and overnight.

Breakfast at local house in Lesan, preparation for our next adventure trip, cruise to Lesan Muara Harbor from where you continue over a muddy road through rain forest to Merabu Dayak village, to end up at one of the side river of the Longgi river, if the water level is low we can cross the river by car, otherwise we will leave the jeep and cross the river by canoe to Merabu village which is a small settlement of about 200 people of the Dayak Lebo tribe, which will host us for the night at one of their local houses, Evening a Dance ceremony could be held, Lunch on the way, dinner at local house at Merabu.

Simple breakfast by our local host will be prepared, before we start our trek of about 3 hours, from the village Merabu located at the foot of one of the world largest and untouched limestone forest into the Mangkaliat Karst Mountains range to the Beloyot limestone crop to explore several caves, with historic human manuscripts of 3000 year old, unknown fossils, human sculpts, and lakes can be found in the several caves of Beloyot Limestone crop, Lunch and dinner will be prepared en route, overnight at Cave

Simple breakfast at Cave, we continue trekking to Nyadeng for about two to three hours through untouched limestone forest, possibility to spot wildlife mammals as several monkey species, birds and lizard during the trek. Once arrived at Nyadeng you can enjoy the bright watershed lake of the Karst limestone mountains, at your feet as a mirror to your face, from the lake we continue to the Poyong Crop, which hold a dry Cave at about 300 meters above sea level, which give us a nice view over the limestone forest, possibility to overnight at the Cave or continue by Canoe to Merabu village to overnight at Local house, meals prepared en route.

Simple breakfast at Cave or Local house, before we continue by car over a muddy path passing the primary forest for a bit more then a hour to the main road, to connect the main road which will bring us in about three hours to Berau airport, or five hours to Tanjung Batu Harbor where you can connect to your next destination.

Lesan Rainforest & Mangkaliat Karts Mountain Facts

Lesan is a small area named to the Dayak tribe “Lesan”, which has it’s roots in the Kayan tribe. Along the Lesan River at the border of Berau regency, the Lesan River streams into the Karst Mangkaliat limestone Mountains as an unexplored area of Kalimantan island. At the foot of the Karts Lime stone mountains several Dayak villages can be found, including the Lesan Dayak along the River. The area of Lesan is mostly covered with primary rain forest, and has lost of wildlife to hide include the orangutan (Pongo satyrus), proboscis monkey (Nasalis larvatus), maroon leaf monkey (Presbytis rubicunda rubida), sun bear (Helarctos malayanus euryspilus), lesser Malay mouse deer (Tragulus javanicus klossii), clouded leopard (Neofelis nebulosa), and leopard cat (Prionailurus bengalensis borneoensis)Karst limestone forest mountain area is an unexplored part of East kalimantan, with karts mountains stading 300 meters in the sky with caves and bright water lakes. The caves are various with 3000 years old paintings and unknown fossil sculps. Several Dayak villages can be found, along the Karst Mountains habitat by Dayak tribes, who live in tradition

Day Temperatures 27 °– 32°C
Night Temperatures 20 °– 25°C
Humidity 80%-90%
Rainfall 4,000mm per year
Wet Months October & June
Dry Months February & August ( but expect daily rain )

Mangkaliat Karst & Lesan Accommodation
The accommodation at Karst and Lesan are back to basic, with local house accommodation in the villages with Indonesian styled facilities, and in a dry cave at the top of Karst mountains. Expect not more then a matrass and cold water shower or even washing in the river. Electric is mostly availble to evening time only ( 6pm - 10pm )

Travel Time & Distance – Lesan - Mangkaliat Mountains
Berau – Merabu overland 5 hours drive (upon road conditions)
Merabu Mangkaliat Karst – Lesan 2 hours overland & 1 hour by canoe Lesan River (upon road conditions)
Lesan – Berau 4 hours overland (upon road conditions)

How To Get There
Berau Kalimarau airport with direct Flights to Balikpapan, and Tarakan, from where you can connect/transit to Jakarta, Surabaya, Semarang, Tarakan, Berau, Palu, Makassar, Manado

Things To Bring
Long wear
Towel, soap and personal needs
Torch/Flash light
Waterproof bag (for documents and electronics)
Sleeping Bag & Mosquito nets (optional)

Karst & Lesan Culture & Wildlife
The wildlife is exotic, lots of water birds, while wildlife spotting can be a guaranty, the recorded wildlife are the endemic orangutans, and other forest denizens including clouded leopard, leaf monkey, macaque, pangolin anteater, tiny tarsier, lizards, and pythons. The Tribal Cultures live in tradition, and own spiritual believes and art, from longhouses, to earlobes and tattoo’s Merapun & Lesan Dayak Culture have spiritual believes and traditions, most do dry rise farming and hunting for daily needs, art is poor, no long houses

General Information
East Kalimantan Province area is 145,534 square kilometers, with a 3 million population

Join Us For a Once-In-A-Life-Time Karst Tour Kalimantan Borneo Adventure Trip !

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