Berastagi (meaning "rice store") is a town and subdistrict of Karo Regency situated on crossroads on the main route linking the Karo highlands of Northern Sumatra to the coastal city of Medan. Berastagi town is 70 kilometers south of Medan and about 1,300 meters above sea level. The village rose to significance when Dutch settlers in Sumatra opened a boarding school there in the 1920s.
The main economic activities in Berastagi, centre on the colourful fruit and vegetable market and on tourism. Berastagi is famous for its passion fruit. The main attractions of the town are the two active volcanoes; Mount Sibayak, with its hot springs, and Mount Sinabung. Each mounts can be climbed in one day trip, but guide is needed.
Source: http://en.wikipedia.org/