Morning pick up from your hotel in Bali, transfer to the Airport for flight to Jakarta and then conect to Pangkalan bun. Upon arrival at Pangkalan Bun airport you will be picked up by our local staff and take you to Kumai to board on the boat. The boat is a traditional klotok wooden river boat about 12m by 2.5m with a roof which forms the upper deck where you can view the rain forest as it glides by. The guide's team includes the boatman, a cook and expert guide. In the peaceful afternoon we will slowly explore the quite river by the klotok while observe the monkeys along the riverside. Dinner and overnight on the boat. Simple mattress, pillow, fine meals, bottled "mineral" water, mosquito net, kitchen, simple toilet available on boat besides the familiar - helpful guides and boatmen, or spend the night at the lodge near by the river. (L,D)

After breakfast board the klotok to travel up river for about 2½ hours boating and then up a side creek to Camp Leakey where the older orang utans are reintroduced into the rain forest and also known as research center for orang utan. Trekking through tropical rainforest searching for wildlife, wild orang utan, birds and other rainforest animals as well as tropical jungle plant. Back to the boat for lunch then witness feeding time at 14.00 pm for old rehabilitation orang utan given additional foods. Overnight on the boat or at Rimba Lodge. (B,L,D)

After breakfast board the klotok to travel up the river for Pondok Tanggui, the rehabilitation center for the new ex-captive orang utans, see feeding time at 09.00am. Afterward is your free choice You can take the 2nd visit at camp leakey or continuing the trip to Pesalat replantation camp, See the process of replantation project or take this opportunity to hike at forest (for additional we could arrange the night walking on this place searching for nocturnal animal or blowing mushroom) Free afternoon program, we could visit village near by the park. During night, boat down the river to see fireflys along ninah palm mangrove (depends on the weather). Overnight on the boat or at Rimba Lodge. (B,L,D)

Transfer to Pangkalan Bun airport flight to Jakarta and then conect to Bali. On arrival will transfer back to your hotel in Bali or next destination. ( B )