medan4dThis 4-day tour takes you through the hhlhts of North Sumatra, beginning with a visit to Lake Toba, the world’s largest volcanic lake. After arriving in Medan, the tour moves to ParapatThis 4-day tour takes you through the hhlhts of North Sumatra, beginning with a visit to Lake Toba, the world’s largest volcanic lake. After arriving in Medan, the tour moves to Parapat