*Tsomgo lake is also known as Changu Lake, located at an altitude of 12,313 ft (3,753 m) in East Sikkim.
*Nathula pass is located at an altitude of 4,310 m (14,140 ft) above sea level in East Sikkim.
*Yumthang Valley is located at an elevation of 11,693 ft (3,564 metres) in North Sikkim.
*Gurudongmar lake is a holy lake and one of the highest lakes in the world. It is located at an altitude of 17,800 ft (5,430 m) in Northern Sikkim.