This itinerary is built around a strenuous trek that takes you to Goechala at 5000 mtrs. opposite the south-eastern face of Mt. Khangchendzonga (27370 feet), the third highest mountain in the world and also one of the most majestic peaks. The trek begins through dense sub-tropical forests and passes vast pasture lands of grazing Yaks and finally reaches the alpine region where the only vegetation are Rhododendron shrubs rising a few inches above the ground. The day temperature could rise to a maximum of 68 d.f.during trek while the minimum temperature could hover around 32 d.f..