The Yumthang Valley is a grazing pasture surrounded by the Himalayan mountains in the North Sikkim district of Sikkim, India. It is at an elevation of 3,564m
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. A tributary 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.