Gunung Padang Megalithic Site, Indonesia contains ruins of a city underwater. Gunung Padang Megalithic Site, Indonesia contains ruins of a city underwater Underwater ruins are approximately 9,000 years old Side-scan sonar and LIDAR technology are being used to investigate the site

Gunung Padang Megalithic Site in Indonesia is an archaeological site on a hill with terraced structures. Research has been conducted using various technologies, though claims about it being a pyramid remain controversial and a key paper was retracted by Archaeological Prospection. Some estimates suggest construction dates ranging from 2,000 to 20,000 years ago, though scientific consensus continues to debate these claims.

Key facts:

- Gunung Padang Megalithic Site, Indonesia features terraced megalithic structures on a hillside—an extinct volcano

- The site is located at approximately 885 meters (2,904 ft) above sea level

- Ground-penetrating radar, seismic tomography, and borehole drilling have been used to investigate the site

- Claims about underwater city ruins and harbors remain unsubstantiated and controversial among researchers

- Estimates of construction age range widely from approximately 2,000 to potentially 20,000+ years, with significant scholarly disagreement

Key Facts

  • Gunung Padang Megalithic Site, Indonesia contains ruins of a city underwater
  • Underwater ruins are approximately 9,000 years old
  • Side-scan sonar and LIDAR technology are being used to investigate the site
  • A harbor approximately 1-2 miles long was discovered underwater using submarines
  • The harbor is located almost 60 meters below water level, indicating age of at least 10,000 years
  • The harbor is massive in scale with a large gauge structure
  • Investigation was conducted by submarine exploration
  • The discovery suggests advanced maritime civilization in ancient Indonesia

Related site: Gunung Padang Megalithic Site — view location, images, and history on the Ancient Nerds map.