Explore Lake Toba and Bukit Lawang. Arrival Medan, you drive along endless palm tree, rubber and cacao plantations and through the historic city of Pematang Siantar. Arrive at Parapat, a town on the shore of Serene Lake Toba from where you cross over the lake to the island of Samosir. The best attractions are Tomok Village to see the ancient tomb of king Sidabutar, then visit Ambarita village to see the famous stone chairs & execution place of King Siallagan. The last visit is Simanindo to enjoy the Bataks traditional ritual dances of the Bataks Tribe. Hereafter you go to Bohorok the Rehabilitation Center. Start for a 6 hours jungle trekking in Gunung Leuser National Park to see the wildlife. This involves a walk through the jungle to explore the park. Steep, slopes and dense vegetation will bring you the excitement of the rainforest. In this tropical primary rainforest, you can see the varieties of birds, butterflies, Siamang (long arm apes), different kinds of reptiles.