Sumatra is untamed, enormous, and exhilarating. Home to dense jungles, volcanic peaks, and awe-inspiring wildlife, this is the place to explore raw Indonesia. Trek through Gunung Leuser National Park to see endangered orangutans, visit Lake Toba — Southeast Asia’s largest volcanic lake — or watch the Siberut tribes practice ancient customs on the Mentawai Islands.

This is Indonesia’s adventure heartland, offering surf, wildlife, trekking, and deep cultural immersion. Sumatra’s rich diversity offers an unforgettable experience for those brave enough to go off the beaten track.