Ardent trekkers and adventurers from all over the world regard Tibet as an ultimate adventure travel destination. This inaccessible land at an altitude over 4000m have lots of possibilities of trekking routes for the adventure seeker. Whether it is a pilgrimage trek or a mountain expedition, Tibet offers trekking trips from short one day to month long expedition. Because of the high altitude treks are not feasible in the winter time as the temperature goes very low (-30 to -40ºF) and also the days are much shorter. Best time to visit Tibet is from may to September.