ProTrek Sumatra is proud to offer expert led jungle treks, cultural tours and adventure travel in the Leuser Ecosystem, Sumatra. We are a truly responsible company with conservation at the heart of our work. We are committed to conserving the forest and its inhabitants and strive to educate our guests on the state and future of our precious Leuser Ecosystem. Directed by expert orangutan researchers and the most experienced and knowledgeable guides in North Sumatra, we invite you to discover uniq