Orang-Utans live only in the rain forests of Borneo and Sumatra. I came to Pangkalan Bun in the south of Borneo to see these great apes. I had rented a boat with a guide (and a captain, and a cook, and a guy for everything else) to take me up the Sekonyer river into Tanjung…

The long-tail boat keeps going upriver, and the river is increasingly narrow. In one place it was blocked by a logjam big enough to build a house on, so we couldn’t just run over it at high speed. So the guide and Captain did what must be part of any respectable jungle trek: they got…

The Mahakam River in East Kalimantan is nearly a thousand kilometers long. Along its shores are primeval rain forests where one can spot some unusual animals like the long-nosed monkey and colorful kingfisher birds. I went up the river with a guide and a fast long-tail boat to see what nature has to offer, and…

To the south of the South Chinese Sea, complete wrapped by the other Indonesian islands, the Phillipines, Vietnam, and Malaysia there is a large white spot on my map: Borneo. Most of the island is part of Indonesia, called Kalimantan, and the main city is Balikpapan. From here I’ll start my explorations with a trip…