Lake Toba
Lake Toba, the world's largest volcanic lake, lies in a great crater. The result of a tremendous eruption 70,000 years ago, which was responsible for a dramatic change in the earth's climate - it may even caused the last Ice Age.
Bukit Lawang
Surrounded by one of the most bio diverse jungles still standing, the small tourist village of Bukit Lawang is famed for its orangutan centre and as the gateway to Gunung Leuser National Park, home to more than 5,000 of these majestic apes.