States & UTs

    South Lhonak Lake in North West Sikkim experiences lake outburst, triggers flash floods

    Pankaj Sharma
    October4/ 2023
    Last Updated:

    South Lhonak Lake

    Gangtok (Sikkim): The South Lhonak Lake, situated in North West Sikkim experienced a glacial lake outburst and triggered flash floods due to incessant rainfall in the region on Wednesday morning. Areas near River Teesta have been put on high alert, said an official.
    According to the Legislator of Tumin–Lingee Assembly constituency, Sikkim, Ugyen Tshering Gyatso Bhutia, "The South Lhonak lake situated in North West Sikkim experienced an outburst in the early hours of Wednesday morning due to incessant monsoon rainfall. Areas near River Teesta have been put on high alert."

    Giving information about the outburst, the Gangtok District Administration said, "The flash flood made its way through River Teesta sweeping Indreni Bridge in Singtam town, some 30 kilometres from Gangtok. A connecting bridge of the Balutar hamlet was also swept away around 4 am."
    So far, 23 army jawans have been reported missing. As per sources, army and paramilitary personnel, as well as labourers working in low-lying areas may have been swept by the flash flood taking the course of the river.
    As per information from Mangan District Administration, Chungthang town, some 90 kilometres north of Gangtok, houses the Teesta Stage 3 Dam. Upon high alert, the local residents have been evacuated in the area.
    "Similarly, the Teesta Stage 5 dam at Dikchu in Mangan district was opened up for water disbursement after a high alert. It is reported that the control room of the dam has been severely damaged," they informed.
    Many homes near the River Teesta, situated in Gangtok's Singtam have been evacuated. Additionally, temporary relief facilities have been established in the town's Singtam Senior Secondary School, added officials.