Malaysia
Uncle Tan's is a very basic camp located in the heart of the rainforest near Sandakan. It can be quite tough - squat toilets, lots and lots of mosquitos and mud, long walks through jungle - but the chance to see the wildlife is unbeatable. I saw a dominant male orangutan from about 5m away, plus a reticulated snake, tarantula, scorpion, lots of proboscis monkeys, bearded pigs, hornbills etc. Fantastic place with brilliant fun staff and a lovely communual atmosphere.
On the main road to Semporna, a few miles outside Sandakan (quite near airport) - any bus will drop you off if you tell them where you're going. Make sure you get cash out first though, as there are no ATMs for miles.
www.uncletan.com/
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