The Mysterious Sky Caves of Nepal

The Sky Caves of Nepal, also known as the Mustang Caves, refers to 10,000 artificial caves constructed in the Mustang District of Nepal.

The region was formerly the Kingdom of Lo, with the capital located at Lo Manthang, until the kingdom was annexed by Nepal during the 18th century AD.

The caves were carved into a steep cliff face 155 feet above the valley basin, overlooking the present-day village of Samdzong near the Kali Gandaki River in Upper Mustang.

Image Credit : Jean-Marie HullotCC BY 2.0

The caves have been divided into three distinct periods of occupation, with the earliest period dating from around 1000 BC when they were used for human burials.

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Some later burials, dating from 3rd to the 8th centuries AD shows evidence that may be related to the Buddhist practice of sky burials (a funeral practice in which a human corpse is placed on a mountaintop to decompose while exposed to the elements or to be eaten by scavenging animals).

During the 10th century AD, the region saw a period of instability due to localised conflicts, and numerous dwellings were carved into the cliff face for protection, with some of the burial caves being repurposed for habitation.

Image Credit : Jean-Marie HullotCC BY 2.0

By the 12-15th century AD, the caves were used as meditation chambers, with archaeologists discovering several Buddhist paintings, sculptures, artefacts, and manuscripts containing writings from both the Bon religion and Buddhism.

Recent DNA studies has shed some light on the mystery of the first cave builders, suggesting that early inhabitants came from the East-Asian populations of the Tibetan plateau and closely resembles the genetic profile of the modern-day Sherpa and Tibetan populations that inhabit the region of Mustang today.

Header Image Credit : Grace Marcella Norman – CC BY 2.0

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Mark Milligan
Mark Milligan
Mark Milligan is an award winning journalist and the Managing Editor at HeritageDaily. His background is in archaeology and computer science, having written over 7,500 articles across several online publications. Mark is a member of the Association of British Science Writers (ABSW), the World Federation of Science Journalists, and in 2023 was the recipient of the British Citizen Award for Education and the BCA Medal of Honour.

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