Gunung Padang
Cianjur, West Java, Indonesia
Megalithic site / Alleged buried pyramid. Date: About 2,000 years ago: charcoal dated to c. 117–50 BCE (Yondri); other estimates go as late as the 8th century CE.
Terraced temple (punden berundak) for ancestor worship. Osmanagich visited the site in 2014 and described it as a type of pyramid. The 2023 study in Archaeological Prospection was retracted in March 2024: the radiocarbon dates came from soil with no link to human activity.