with an average elevation of over 4,000 m, Tibet is considered to be the highest region in the world and is often called the "Roof of the World." This comes as no surprise, especially since southern Tibet is located in the Himalayas, which contains many of the world's highest summits. In addition to its incredible heights, Tibet is also one of the most isolated areas on earth, with most of the people living in elevations ranging from 1200 m to 5100 m.
Tibet with its mountains is the source and dividing line of the Asian continent's major rivers, with the Brahmaputra being the most important. Festival of Tibet

New Year (February or March)
It is the greatest festival in Tibet. In ancient times when the peach tree was in blossom, it was considered as the starting of a new year. Since the systematization of the Tibetan calendar in 1027 A.D., the first day of the first month became fixed as the New Year. On the New Year's Day, families unite " auspicious dipper" is offered and the auspicious words " tashi delek" are greeted.

Saga Dawa Festival (May or June)
It is the holiest in Tibet, their memorable occasions coincide on this day, Buddha's birth and Buddha's enlightenment. Almost every person within Lhasa join in circum ambulating round the city and spend there late afternoon on picnic at " Dzongyab Lukhang" park at the foot of Potala.

Gyantse Horse Race (May or June)
Horse race and archer are generally popular in Tibet, and Gyantse enjoys prestige of being the earliest in history by starting in 1408. Contests in early times included horse race, archery, and
Shooting on gallop followed by a few days' entertainment or picnicking. Presently, ball games, track and field events, folk songs and dances, barter trade are in addition to the above.

Changtang Chachen Horse Race Festival (10 August)
As the most important festival in North Tibet during the golden season on the grassland, thousand of herdsmen throng to Nakchu riding fine horses, and carrying the local products. They form as city
of tens south of Nakchu town. There will be thrilling horse race, archery and demonstrations of horsemanship. Songs and dance troupes from all part of Tibet will add to the fun.

Harvest Festival (September)
The farmers in Lhasa, Gyantse and Shangnan to celebrating their bumper harvest in this time. During that time, people enjoy with horse racing games, costume fashion show, songs and dance Archery and picnic etc.