Lachen- Gurudongmar- Kala Patthar- GangtokWell save the best for the last. Get up early around 4:00 am in the morning. You are supposed to reach Gurudongmar before 10:00 am after which it is not allowed as it gets too gusty out there. The lake is situated at 17.300ft; a glacial lake and if you visit during February-mid April you would find a frozen lake. The road to Military base camp is too jerky, however beyond that the road runs through rugged terrain surrounded by white snow-capped mountains and the journey itself becomes beautiful.