Due to Lachung proximity to China and the military presence, entry to North Sikkim is only possible on a guided tour, and a travel permit must be organised in Gangtok 1-2 days prior to travel. All travel is by 4-wheel-drive as the roads are subject to frequent landslides. Although the distance from Gangtok to Lachung is only 120 km, travel takes 5-6 hours on account of the mountainous terrain. Nevertheless, the journey into the valley is stunning. Normally there are travel desks in Sikkim which will arrange your group travel. It costs approximately 2500 (in Apr 2016) per person for a package of 2 nights and 3 days (Includes Lachen and Gurudongmar lake and food and accommodation as well) from Gangtok.
You can easily explore the town by foot. As it is a very small village filled with beautiful people and serene scenery around.
Yume Samdong of North Sikkim region is positioned at an altitude of 3000 feet above sea level. It's about twenty six kilometers and an approximately thirty minute drive from Yumthang, another renowned place in the North Sikkim region. The drive through the curving mountains amidst the rugged piece of land is an experience for a life-time.Since the place is only a short distance from the international border between India and China, a special permit is needed to go to YumeSamdong. Yume Samdong is largely a natural depression with inexperienced grazing patches. the foremost vital essence of the place lies within the fragrance of the rhododendron which forms a crucial supply of financial gain to the locals. They manufacture a special kind of incense sticks.There are as much as fourteen hot springs in Yume Samdong. See more..........http://www.skygracehimalayas.com/things-to-do-see-sikkim-darjeeling/lachung
Zero Point and Yume Samdong of North sikkim is basicaly same and the same region is positioned at15,300 feet on top of water level.About twenty six kilometers from Yumthang Valley of flowers another renowned place in North Sikkim geographical region. It takes virtually associate half an hour drive to succeed in Yume Samdong from Yumthang.This drive is as scintillating because of the place itself.The drive through the curving mountainous amidst the rugged piece of land of geographic region could be a life-time expertise.Since the place is in a short distance to the international border between India and China, a special permission is needed to go to Yume Samdong.See More...http://www.skygracehimalayas.com/things-to-do-see-sikkim-darjeeling/lachung
Yumthang valley is a grazing pasture enclosed by the Himalayan Mountains within the district of geographical region. It lies at an elevation of three 575 m and is found at a distance of twenty four kilometre from Lachung and more or less one hundred fifty kilometre from Gangtok.The Shingba shrub Sanctuary lies in between Lachung and Yumthang depression and has over twenty four species of rhododendrons that bloom from April.See more.....http://www.skygracehimalayas.com/things-to-do-see-sikkim-darjeeling/lachung
There is nothing that you can buy here everything is available in the Gangtok.
Momos....You can additionally try the native Sikkimese cuisine like Thukpa, Gya-thuk and Raksi see more..http://www.skygracehimalayas.com/things-to-do-see-sikkim-darjeeling/lachung
For liquor, in Lachung and Lachen the licenses are given to grocery shops and hence the liqor is sold in grocery shop as well.