Berastagi, a tourist town, is another lovely town located in Karo highlands. The town is known for its plantations and various kinds of flowers, vegetables and fruit, most famous which is Marquisa passion fruit. It's 66 km southwest of Medan and is 4.594 feet above sea level. From Gundaling Hill a clear view of Mt. Sibayak and Mt. Sinabung volcanoes can be seen. From there you go to Sipiso Piso Waterfall. This waterfall is formed by a small underground river of the Karo Plateau and flows out into the Lake Toba caldera. You will see an extraordinary view of Lake Toba from the north side.