Great News ! Tibet Tourism Bureau announced that Tibet permits can be applied and processed today (March 20th, 2015). So foreign tourists should be able to entry Tibet at the beginning of April. Tibet had been closed since middle of February and no foreigners visit Tibet during this time.
SnowLion Tours already submitted permits applications for our groups who are going to visit Tibet at the beginning of April. For more info about Tibet Permit, you can visit our Tibet Permits Page.