Tibet is the one part of China a foreign passport holder cannot simply turn up in, and the permit is the mechanism.
There is no self-application#
You cannot walk into an office and apply. A registered Tibetan travel agency applies on your behalf, and it will only do so against a booked itinerary. In practice this means choosing the trip first and treating the permit as something the operator produces, not something you obtain and then plan around.
The agency needs scans of your passport and of your Chinese visa or visa-free entry documentation. If you are entering China visa-free, say so early — the paperwork differs from a standard tourist visa and agencies quote timelines assuming the latter.
Timing#
Allow 15–20 days for processing, and start a month out. The permit has to reach you, or reach the agency, before you board: it is checked at the airport before a Lhasa flight and at the station before the train. Without it in hand you do not travel, and airlines will not carry you on the assumption it is coming.
The second permit nobody mentions#
The Tibet Travel Permit covers Lhasa. Areas beyond the prefecture — Shigatse, Everest Base Camp, Mount Kailash, and Nam Tso in some seasons — need an Aliens' Travel Permit on top. That one is arranged by your guide once you are in Tibet, so it is not something to chase in advance, but it does mean your route has to be settled early enough for the agency to know what to apply for.
What the permit obliges you to do#
You must have a guide with you at sights and on the road, and a licensed driver for anything outside Lhasa. Within Lhasa itself you can walk around independently, which surprises people who expect to be escorted everywhere.
Group-size requirements have moved over the years. A solo traveller can normally join a small group tour, which is the usual way of keeping the cost reasonable.
Two things that will stop the application#
Timing around closures. The region closes to foreign visitors periodically, most consistently during March. Agencies know the current position; ask before booking flights rather than after.
Occupation. The application asks what you do. Journalists and diplomats apply through separate channels and are frequently refused. This is a known constraint rather than a rumour, and misdescribing yourself on an official application is not a good plan.
If the permit is the obstacle#
Substantial Tibetan areas lie outside the Tibet Autonomous Region — in Qinghai, western Sichuan and northwest Yunnan — and need no permit, no agency and no guide. The culture, the monasteries and the plateau landscape are all there, reachable independently. See China's ethnic minorities for where those areas are.
For altitude, what to see in Lhasa and what a guided trip actually costs, see the Tibet and Lhasa guide.