Kalimantan (Indonesian Borneo)
The Indonesian portion of Borneo — vast rainforest, the Mahakam river system, Dayak indigenous cultures, orangutan rehabilitation (Tanjung Puting), and the new capital Nusantara.
Last reviewed:
The Indonesian portion of Borneo — vast rainforest, the Mahakam river system, Dayak indigenous cultures, orangutan rehabilitation (Tanjung Puting), and the new capital Nusantara.
Best for
- Wildlife (orangutans)
- Cultural travellers
- Rainforest adventurers
Not best for
- Beach holidays
- Convenience travellers
- Short trips
Best time to visit
Best months: May, Jun, Jul, Aug, Sep. Wet season can flood river systems and reduce orangutan sightings.
Safety & logistics
Remote — limited medical access. River travel weather-dependent. Forest fire season (Aug–Oct) brings haze.
Common mistakes to avoid
- Underestimating the time needed for Tanjung Puting klotok (river boat) trips
- Not considering Sept–Oct haze season
Related guides
Frequently asked
How do I see orangutans in Kalimantan?
The standard trip is a 3-day, 2-night klotok river boat from Kumai (near Pangkalan Bun) into Tanjung Puting National Park. Camp Leakey is the famous feeding station.