What are the easiest gateway cities to Tibet?
Flying from mainland China is the easiest way to getting into Tibet. If you want to take the train to Tibet, Xining is the best option as the train from Xining takes only 24hrs and affords all the best scenery through the northern plateau, it also cut through the might Thangula range and snatch the highest railway in the world. If you want to take plane from Mainland China to Lhasa (Tibet), Chengdu would be the best option as it takes only 2.5 hours.