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Mount Sibayak

Mount Sibayak, Sempajaya, Berastagi, Karo Regency, North Sumatra, Indonesia

1 Day Trek
Mountain Peak

Mt. Sibayak is a stratovolcano overlooking the town of Berastagi in northern Sumatra, Indonesia. Although its last eruption was more than a century ago, geothermal activity in the form of steam vents and hot springs remains high on and around the volcano. The vents produce crystalline sulfur, which was mined on a small scale in the past. Seepage of sulfurous gases has also caused acidic discolouration of the small crater lake.

Location of Mount Sibayak