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Sikkim

Kanchenjunga on the skyline, rhododendron forest in spring, and the permit rules that decide where you can actually go.

Altitude
1,650 m
Terrain
Eastern Himalaya, from subtropical to alpine
Best months
Mar–May, Oct–Dec
Region
Sikkim, India

Sikkim packs an enormous altitude range into a small state — from around 300 m in the south to Kanchenjunga at 8,586 m, the third-highest mountain on earth. That range is why you can be in subtropical forest in the morning and alpine meadow the same afternoon.

Permits are the thing most trips underestimate. Indian nationals enter freely but still need Protected Area Permits for Tsomgo Lake, Nathu La and everything in North Sikkim. Foreign nationals need an Inner Line Permit before they can enter the state at all, and face additional restrictions — Gurudongmar Lake and Zero Point are generally closed to them, and solo travel in North Sikkim is not allowed.

For walkers, Goecha La is the classic: eleven days to a viewpoint beneath Kanchenjunga's south-east face. Shorter options include Dzongri and the Barsey rhododendron sanctuary, which peaks in April and is one of the better red-panda habitats in the eastern Himalaya.

Highlights

  • Goecha La — the classic route to the Kanchenjunga viewpoint
  • Barsey rhododendron sanctuary, peak bloom in April, red-panda habitat
  • Tsomgo Lake and Nathu La on the old trade route to Tibet (permit required)
  • Rumtek and Pemayangtse monasteries
  • Yumthang valley and the Lachung corridor in North Sikkim

Common questions

Do I need a permit for Sikkim?

Indian nationals enter freely but need Protected Area Permits for Nathu La, Tsomgo Lake, Baba Mandir and all of North Sikkim. Foreign nationals need an Inner Line Permit just to enter the state, plus further restricted-area permits — and are generally barred from Gurudongmar Lake and Zero Point.

When is the best time to visit Sikkim?

March to May for rhododendron bloom, and October to December for the clearest Kanchenjunga views. Avoid June to September — the monsoon brings heavy rain and landslides regularly close the North Sikkim roads.

Can foreign nationals travel independently in Sikkim?

Not everywhere. Foreign nationals need an Inner Line Permit to enter, cannot travel solo in North Sikkim, and are generally not permitted at Gurudongmar Lake or Zero Point. Travel there must be arranged through a registered operator.

Local experts in Sikkim

Identity verified
Trek leader

Karma Bhutia

West Sikkim

Goecha La leads and red-panda tracking in Barsey

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