The Stone Jar That Held Thirty-Seven Dead
One giant vessel on Laos's Plain of Jars contained the mixed remains of at least 37 people. The discovery turns an ancient landscape-scale riddle into a far more intimate one.
The Location
Across the Xieng Khouang Plateau in northern Laos, hundreds of hollowed stone vessels occupy more than 120 known sites. Their makers left no surviving explanation, and nearly a century of archaeology has not settled exactly how the Plain of Jars was used.
A new open-access study in Antiquity reports the complete excavation of Jar 1 at Site 75, about 70 kilometres north-east of Phonsavan. Fieldwork ran from 2022 to 2024.
What's Inside
Jar 1 is an exceptionally large conglomerate vessel with a base about 2.05 metres wide and a surviving height of 1.3 metres. Its damaged sides still protected an intact deposit of densely packed, disarticulated human bone.
- Teeth indicate a minimum of 37 individuals.
- The remains include ages from roughly 18 months to adulthood.
- Some long bones and skull elements appear deliberately grouped.
- Excavators also recovered pottery, an iron knife, a small copper-alloy bell, 20 glass beads and stone slabs.
The monument did not merely point toward the dead. It contained a community.
The History
Direct radiocarbon dates place mortuary activity at Jar 1 between approximately AD 890 and 1160. The remains were secondary interments: bodies had undergone an earlier stage of treatment before selected bones entered the stone vessel.
Other sites on the plateau contain burials around jars and fragments of burned bone within them. Site 75 adds the clearest large collective deposit yet, strengthening the funerary interpretation while also showing that practices varied across the landscape and through time.
The Mystery
The evidence reveals what happened inside one jar, not the complete ritual sequence. Researchers still do not know where all the people originally came from, how long remains waited before deposition or what social rules determined who shared the vessel.
The artefacts point toward wider exchange networks during a period of increasing movement across Southeast Asia, but the precise identities and relationships of the dead remain under study. The Plain of Jars has yielded one answer — and made its human mystery much larger.