Mountain views from a house in Lachen, Sikkim
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Things to do nearby.
Lachen is a starting point for exploring North Sikkim's high-altitude landscapes. It is the gateway to Gurudongmar Lake, one of the highest lakes in the world. The journey requires an early start and a permit.
Nearby is the Yumthang Valley, known as the valley of flowers. It’s a sweep of green meadows, yaks, and the Teesta river, framed by mountains. The valley is most vibrant from late February to mid-June, when countless flowers bloom. A permit is also required to visit Yumthang.
About 40km from Gangtok, on the route towards North Sikkim, is Tsomgo Lake, also known as Changu Lake. It’s a glacial lake that freezes over in the winter. A permit, arranged in Gangtok, is needed to visit.
Getting there.
The most reliable airport for reaching Sikkim is Bagdogra Airport (IXB) in West Bengal, around 124km from Gangtok. From the airport, it's a 4-5 hour drive to Gangtok. Lachen is another 4-5 hour drive from Gangtok. Pakyong Airport (PYG) is closer to Gangtok (30km), but flights are often diverted due to weather.
The nearest major railway station is New Jalpaiguri (NJP), also in West Bengal, located 122km from Gangtok. From NJP, you can hire a taxi or take a shared vehicle to Gangtok, and then arrange onward travel to Lachen.
Travel to Lachen from Gangtok is by road. It's best to hire a dedicated vehicle, as the journey is long and passes through mountainous terrain.
Best time to visit.
The best time for clear skies and mountain views in North Sikkim is from October to mid-December. The spring months, from March to May, are when the region's famous rhododendrons are in full bloom, covering the hillsides in colour.
The monsoon season, from late June to September, brings heavy rain and frequent landslides, which can shut down roads to North Sikkim for days at a time. Travel during this period is not advised.


