It's height is 4,310 m (14,140 ft.) and is 54 Km from Gangtok & travel time around 2.5 hours from Gangtok
Nathu La is one of the three open trading border posts between China and India
Nathu La is located on the 563 km (350 mi) Old Silk Route, an offshoot of the historic Silk Road. The Old Silk Route connects Lhasa in Tibet to the plains of Bengal to the south
In 1975, Sikkim acceded to India and Nathu La became part of Indian territory.
Oh! It was a pleasure visiting Gangtok. I felt like being in different world like in China. It is exactly on border between India, China, Nepal and Bhutan.
I've found here plenty and plenty of woman working here. Looks like gender inequality is very less here. While my visit from Bagdora airport to Gangtok I saw that most vegetable vendors were women.