Kanchenjunga, at 8,586 metres (28,169 ft) is the world's third highest mountain and lies on the border with Sikkim.

Eastern Nepal is generally more developed than western Nepal and more prosperous.
This is due in part to the more favourable climate with its higher rainfall, the employment of Rai and Limbu people in the Gorkha regiments and their income.
Rugged terrain however means that mountain areas are especially remote.
Kanchenjunga, at 8,586 metres (28,169 ft) is the world's third highest mountain and lies on the border with Sikkim.
Eastern Nepal is generally more developed than western Nepal and more prosperous. This is due in part to the more favourable climate with its higher rainfall, the employment of Rai and Limbu people in the Gorkha regiments and their income. Rugged terrain however means that mountain areas are especially remote.
Great Himalaya Trail