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"Josef is the guide you we're looking for. Affordable, reliable and with a great amount of the flora and fauna in the jungle of the Gunung Leuser National Park!“ - Harry, Netherlands

"Josef and his laughter, enthusiasm and knowledge of the jungle made my two day trekking in Bukit Lawang so much fun.“ - Sabrina, UK

"Something that I really appreciated was that Josef generally cared for the well being of the Orang Utans and also for the surrounding environment." - Gary, Vietnam