Indonesia — Sumatra (July 2026)

Nine days across northern Sumatra: jungle trekking in Gunung Leuser National Park to find wild orangutans, sunrise on Mount Sibayak, and the vast caldera of Lake Toba with its Batak culture on Samosir Island.

Posts from this destination

A huge male orangutan in the Gunung Leuser rainforest at Bukit Lawang

July 15 – 18, 2026

Bukit Lawang — jungle trekking for wild orangutans

A chaotic 1 a.m. arrival, then three days trekking Gunung Leuser: wild orangutans within minutes, leeches, a macaque raid on our treehouse, a jungle thunderstorm and a rain-swollen river ride out.

Read more →