Frequently Asked Questions about Sikkim
Find answers to the most frequently asked questions about Sikkim. From travel tips and safety information to must-know details, our FAQ section helps you plan a smooth and hassle-free trip.
Frequently Asked Questions
Last updated: March 2026
What is the best time to visit Sikkim?
March–June and October–November are the optimal months to visit Sikkim. Spring (March–June) brings temperatures of 15–22°C in Gangtok, clear mountain views, and blooming rhododendrons. This period is ideal for trekking and accessing high-altitude lakes. Autumn (October–November) delivers clear skies and stable weather conditions for mountain photography. Winter (December–February) produces snow at high passes including Tsomgo Lake and Nathula Pass, with potential road closures. Monsoon season (June–September) brings heavy rainfall and landslides that frequently block NH-10. Rhododendron blooms in Yumthang Valley occur from late February through mid-June. Spring and autumn provide the most reliable weather and road accessibility.
How do I reach Sikkim from major Indian cities?
Fly to Bagdogra Airport (IXB) in Siliguri, West Bengal, then drive 4–5 hours to Gangtok via NH-10. Major airlines connect Bagdogra to Delhi, Mumbai, Kolkata, and other cities. By train, New Jalpaiguri (NJP) is the nearest major railhead, 120km from Gangtok. From NJP/Siliguri, take shared jeeps or hire taxis for the mountain drive through Sevoke, Teesta Bazar, Melli, and Rangpo. Pakyong Airport in Sikkim has no scheduled commercial flights as of 2025. The under-construction Sivok–Rangpo railway may bring rail connectivity to Sikkim by 2027. Road travel during monsoon may face landslide delays.
Do I need special permits to visit Sikkim?
Indian citizens need permits for Nathula Pass, Tsomgo Lake, North Sikkim (Lachen/Lachung), and the Old Silk Route. Registered tour operators can arrange permits 24–48 hours in advance. Required documents include 2 passport photos and valid ID (Voter ID, Passport, or Driving License). Aadhaar cards are frequently rejected. Foreign nationals require a Protected Area Permit to enter Sikkim and can only visit designated areas: Tsomgo Lake, Gangtok, Pelling, and Yuksom. Foreigners cannot access Gurudongmar Lake, Zuluk, or Nathula Pass. Children under 18 need birth certificates. Permits may be suspended during adverse weather or security issues. Carry multiple ID copies and extra photographs.









