The Yumthang Valley is a grazing pasture surrounded by the Himalayan mountains in theNorth Sikkim district of Sikkim, India. It is at an elevation of 3,564 metres (11,693 ft) abovemsl at a distance of 150 kilometres (93 mi) from the state capital Gangtok.
It is popularly known as ‘Valley of Flowers’ and is home to the Shingba Rhododendron Sanctuary, which has over twenty-four species of the rhododendron, the state flower. Atributary of the river Teesta flows past the valley and the town of Lachung, the nearest inhabited centre. Yumthang is closed between December and March due to heavy snowfall.
A forest rest house is the only permanent residence in the valley. During the spring months, the area blooms with rhododendrons, primulas, poppies, iris and other flora. During the summer months, villagers take their cattle to these heights to graze (a practice known as yaylag pastoralism). In view of increasing number of tourists, there is possibility of environmental degradation in near future. Skiing is conducted in the valley0