Pulosari, Stratovolcano in Pandeglang Regency, Banten, Indonesia.
Pulosari is a stratovolcano in Pandeglang Regency in West Java that rises 1,324 meters above sea level. The mountain features several natural hot springs and sulfur-rich pools at its base near Sukasari Village.
The volcano was last documented to erupt in 1875, when observers reported the crater filling with boiling mud and sulfurous steam. Since then, it has shown only mild volcanic activity.
The mountain served as a religious center in the 16th century, hosting hundreds of priests who later embraced Islam and transformed their spiritual practices. Today these shifts remain woven into local customs and how people view the mountain.
The area is best explored on foot, with the thermal pools at the mountain's base accessible year-round. Bring sturdy shoes and water, as trails can be steep and rocky in places.
Scattered across the slopes and nearby rice fields are prehistoric megalithic structures, including the Cidaresi Bergores stone carved with mysterious triangular patterns. These ancient artifacts suggest the mountain was inhabited long before written records.
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