Tanjung Puting National Park was originally designated as a game reserve which consists a 1100 square miles natural wild jungle land including the rivers navigation eco systems of freshwater swamp mangrove and tropical lowland rainforest throughout the park. Tanjung Puting nature reserve is filled to the brim with wildlife, including Borneo endemic proboscis monkey (Nasalis larvatus), leopard cat (Prionailurus bengalensis borneoensis), and endangered protected animal species as the orangutan (Pongo satyrus), maroon leaf monkey (Presbytis rubicunda rubida), sun bear (Helarctos malayanus euryspilus), lesser Malay mouse deer (Tragulus javanicus klossii), clouded leopard (Neofelis nebulosa), leopard cat (Prionailurus bengalensis borneoensis), gators, and a multitude of birds. Your tour guide board you at the traditional wooden Kalimantan Klotok boat, to cruise upstream Sekonyer River. Soon after your boat trip start, you will enter the rainforest and relax from your lounge at the upper deck of the boat to spot the swinging apes from branches and limbs, and climbing to the tree top forest where the hornbill bird rules. After a bit more then 2 hours travel wildlife jungle scenery along the river banks, the klotok boat will dock the harbor platform of Camp Leakey orangutan rehabilitation center. We hike the off the beaten trails through the green tranquil oasis of tropical rainforest towards Camp Leakey, when various amounts of orangutan moms, babies, and huge orangutan dads come out of the jungle trees to welcome you as guests in their forest habitat. The boat cruise tour continue to the Pondok Tanggui jungle camp station, a seeking adventure in the outer corner wild branch of Indonesia Tanjung Putting orangutan Park, before returning to Pangkalanbun, while you can snap pictures of diverse monkey species who swung in the trees to wave you a thank and onward pleasant trip to your next destination.