The Mangan boulder crash in Sikkim’s Upper Dzongu area on Friday, October 30, killed two people and left a woman seriously injured after falling rocks struck a vehicle, officials said. The incident occurred near 4th Mile, also known as S-Turning, in the Mangan district. The Mangan boulder crash was reported by district police, who confirmed the time and location.
According to district police, boulders came down onto the road at around 11 am and hit people travelling in the area. The impact proved fatal for two men, while a woman suffered grievous injuries.
Mangan boulder crash claims two lives
Police identified the deceased as Kalzang Lepcha and Lakpa Lepcha. Both men were residents of Seebim, 6th Mile, in Tingvong, Upper Dzongu, officials said.
The injured woman was identified as Termit Lepcha, the wife of Lakpa Lepcha. She sustained serious injuries when the boulders struck the vehicle. After the incident, rescuers shifted her to Mangan District Hospital for initial treatment.
Authorities have not yet provided further details about her medical condition, the vehicle’s registration or the number of people travelling in it.
Further information about the incident is awaited. The initial account did not say whether the falling rocks damaged other vehicles or blocked traffic on the road.
Where the Mangan boulder crash happened
The accident took place near 4th Mile, at a stretch locally referred to as S-Turning, in Upper Dzongu. The area falls within Mangan district in North Sikkim, where roads pass through steep slopes and mountainous terrain. The Mangan boulder crash occurred on a road used by people moving through the Upper Dzongu area.
In such locations, rocks and loose debris can fall onto roads with little warning. Heavy rain, erosion and changes in slope conditions can increase the danger, although officials have not confirmed what triggered Friday’s incident. It would therefore be premature to attribute the boulder fall to rainfall, roadwork or any other specific cause.
The Mangan boulder crash also highlights the vulnerability of road users in remote mountain areas. Residents depend on these roads for access to markets, healthcare, education and other essential services.
Safety concerns on Sikkim’s mountain roads
Sikkim’s mountainous landscape makes road travel challenging, particularly along stretches bordered by steep rock faces. Landslides and falling boulders have caused deaths, injuries and traffic disruptions in different parts of the state in previous years.
A boulder-related accident in the state in July 2024, for instance, killed a woman after rocks struck a shared vehicle travelling between Lingee and Gangtok near Makha. Several passengers were injured in that incident. The circumstances and location were different, but the episode underlined the recurring danger posed by unstable slopes beside roads.
Meanwhile, the district administration in Mangan has previously monitored landslide-prone areas and issued public safety advisories during hazardous conditions. In September 2026, officials assessed a landslide near the Naga-Tosa Road after debris partially obstructed the Teesta and Chyakoong rivers. The administration said police and disaster management teams were monitoring river levels and slope stability.
Those earlier developments do not establish a connection with Friday’s accident, but underline the need for monitoring and timely warnings.
Investigation and further updates awaited
The Mangan boulder crash has left two families grieving and another facing uncertainty over the injured woman’s recovery. Police have confirmed the deaths and the woman’s hospital transfer, but several details remain unclear.
Officials have not yet publicly explained what caused the boulders to fall, whether the road was closed after the incident or what steps were taken to clear the affected stretch. No official statement on a possible investigation or additional safety measures was available in the initial report.
Further updates are expected to clarify the sequence of events and the woman’s condition. Police have confirmed that two local residents died and Termit Lepcha suffered grievous injuries.
The Mangan boulder crash is a reminder of the risks associated with travel through the Himalayan state’s rugged terrain. For communities in Upper Dzongu and other remote areas, reliable roads are essential. At the same time, monitoring vulnerable slopes, responding quickly to falling debris and communicating road risks clearly are vital to protecting commuters.
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