Day 01. Airport–Kumai – Tanjung Keluang – Houseboat (L,D). On arrival at Pangkalan Bun airport, meeting service with your guide then transfer you to Kumai. Onboard, boating down Kumai River to reach Tanjung Keluang beach. While waiting high water to cross the peninsula to reach Sungai Buluh Besar. Overnight and dinner on the boat. Day.02 Houseboat – Sungai Buluh Besar – Houseboat (B,L,D). After breakfast, proceed upstream in Sungai Buluh Besar start to explore the wild orangutan, Gibbon, Porboscis Moneky, Macaque, Birds, or Crocodile. Witness the natural habitat of the orangutan.