Gunung Padang: A Megalithic Site, Scientific Debate, and Expert Opinions


Gunung Padang, located in Karyamukti, Cianjur (West Java), is one of the most renowned megalithic sites in Indonesia. It is shaped like a terraced hill—known locally as a punden berundak—constructed from thousands of columnar andesite stones. The site features five main terraces, accessible via stone stairways, making it a compelling location for archaeologists, geologists, anthropologists, and cultural tourists alike.

What is visible on the surface

Visitors are first struck by the orderly arrangement of columnar stones forming retaining walls, steep stairways, and elongated stone surfaces following the hill’s contour. Terraced megalithic structures such as punden berundak are known throughout the Indonesian archipelago and are often associated with ancestral worship practices in prehistoric societies. Artifacts found near the site (e.g., pottery fragments) suggest human activity there several hundred to a few thousand years ago, according to conventional archaeological research.

Controversy over age and interpretation: extraordinary claims vs. scientific skepticism

In the past decade, Gunung Padang became the focus of global debate after Indonesian research teams, led by geologist Danny Hilman Natawidjaja, proposed that the structure was not just a relatively recent megalithic terrace but part of a massive pyramid-like monument dating back as far as 14,000–25,000 years. If true, this would dramatically revise our understanding of prehistoric societies’ technological capabilities in the region. International media quickly reported on these claims.

However, many archaeologists and geologists—both local and international—argue the claims are methodologically weak. The main criticism is that radiocarbon samples used to support the dates were taken from soil within drill cores rather than directly from human-made building materials. This means the samples could reflect the age of naturally deposited organic material rather than human construction activity.

Local expert perspectives

In Indonesia, scholarly opinions vary. Some researchers involved in the project argue that geophysical data and stratigraphic layers warrant further investigation. Yet many prominent archaeologists, such as Lutfi Yondri (BRIN/Bandung), emphasize that surface evidence—pottery shards, stone-working techniques—better aligns with much later dates (early Common Era to late prehistory). Volcanologist Sutikno Bronto has further suggested that the hill’s morphology resembles a volcanic neck formed by natural processes, rather than a massive man-made pyramid.

International scholarly reactions

Globally, the extraordinary age claims have been met with strong skepticism. Archaeologists abroad highlight issues with sampling, stratigraphic context, and geophysical interpretation, arguing that the evidence does not conclusively prove human construction at such ancient dates. Major outlets like The Guardian and Scientific American published experts’ critiques, describing the claims as “very weak” or unsupported by solid archaeological data.

In fact, a 2023 article in Archaeological Prospection supporting extreme age estimates was later retracted by the publisher after serious concerns about methodology and reporting. Outlets such as Retraction Watch covered the withdrawal, reinforcing the scientific community’s caution toward the extraordinary claims.

Current scholarly consensus

At present, the consensus is that Gunung Padang is undeniably an important megalithic site. However, the claim that it is a 20,000-year-old pyramid built by an advanced pre-Neolithic civilization is not accepted by most of the academic community. The strongest evidence points to a combination of (1) relatively recent megalithic terraces built several centuries to a few thousand years ago, and (2) older geological layers formed naturally. To overturn this consensus, unequivocal archaeological evidence—such as artifacts clearly linked to the deeper layers and demonstrably human-made—would be required.

Visiting Gunung Padang and respecting its cultural context

For visitors and researchers, Gunung Padang is not only a scientific site but also a sacred cultural landscape for the local Sundanese community. When writing for blogs or presenting the site, it is important to balance fascination with evidence: describe what can be directly observed, present extraordinary claims with healthy skepticism, and reference credible scientific statements. For photography, highlight the terraces and stone patterns but respect conservation boundaries.


References used: summaries from Wikipedia, coverage from The Guardian, Scientific American, Phys.org/IFLScience, and Retraction Watch on the retracted 2023 study. For deeper study, readers should consult official archaeological publications, statements from BRIN and Indonesian archaeologists (e.g., Lutfi Yondri), and geological surveys.

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