MENTAWAI ADVENTURE
Read moreSurf expeditions of 10 or 17 days (they have a surf camp of twelve double bungalows of astonishing comfort in the jungle), trek of 12 or 19 days of ecotourism on the island of Sibarut. Gilles, the French founder, is a high-mountain guide and knows his profession very well.
SUMATRA ORANGUTAN EXPLORE
Read moreThis agency offers ethical treks in Gunung Leuser National Park. Their 1 to 10-day treks aim to preserve the region's ecosystem and biodiversity, while passing on essential information to travellers. The certified English-speaking guides, passionate about their profession, are more than competent (and oh so friendly) and adhere strictly to park regulations. A perfect score. We'd write a multi-page ovation in their honor.