Early morning drive to Yumthang Valley (Alt 11,800 ft), 24kms an Alpine flower valley in North Sikkim. Enjoy the scenic landscape and hot spring and drive back to Lachung for Lunch. Optional tour to Yumesamdong Valley or Zero Point close to Tibet Border (Alt 15,000 ft, 23 kms from Yumthang) for Indian tourists only (at extra cost and prior notice). After lunch back to Gangtok.