Lachung (Lachung, map ) - a village in the Lachung Chu Valley (Lachung Chu) at an altitude of 2630 meters with dramatic views of mountain peaks and waterfalls. This is a starting point for those who want to visit the Yumthang Valley , which starts 10 km away. Here, as in Yumtang, an appropriate permit is required and can be reached as part of an organized tour (group).