North Sikkim (उत्तरी सिक्किम), officially known as Mangan district, lies in northern Sikkim, India, bordering Tibet in China. Its administrative headquarters is Mangan. The district is known for dramatic Himalayan landscapes, high-altitude lakes, alpine valleys and rivers feeding the Teesta. Access to some border areas requires permits.
Lepcha and Bhutia communities are central to local cultural life, alongside other Sikkimese communities. Buddhist monasteries, traditional festivals and mountain livelihoods shape the region’s identity. Agriculture, horticulture, tourism and public services support the economy. Lachung, Lachen, Yumthang Valley and Gurudongmar Lake are prominent destinations, while Dzongu is especially associated with Lepcha heritage.
Common civic concerns include reliable roads, landslide and flood preparedness, healthcare access and connectivity in remote settlements. Hydropower development, river protection and tourism’s effects on fragile ecosystems also draw attention. Residents have faced substantial rebuilding challenges following the October 2023 Teesta flood, highlighting the importance of resilient infrastructure and effective early-warning systems.