Head early to Nathula Pass, a historic mountain pass on the Indo-China border, offering breathtaking views at 14000ft height. Permit and acclimatization required; open 7am-4pm.
Visit one of the highest lakes in the world, Gurudongmar Lake at an elevation of 17,800 ft, known for its crystal clear waters and spiritual significance; open 6am-5pm with permits.
Explore Pemayangtse Monastery, one of the oldest and most important monasteries in Sikkim famous for its architecture and spiritual ambiance; open 9am-5pm.