Last updated: September 2026
Hong Kong and Macao run their own immigration systems, entirely separate from mainland China. Entering Hong Kong visa-free gives you no right to cross into the mainland, and a mainland visa is not valid for Hong Kong. A trip that includes both requires you to think about entry twice - once for the special administrative region, and once for the mainland.
This guide covers how foreign passport holders move between them, and the connected trip that catches most people out.
Why does this trip need two sets of entry rules?
Hong Kong and Macao are special administrative regions of China with their own border and immigration arrangements. For a foreign passport holder, that means:
- Entry to Hong Kong or Macao is decided by that region's rules - many nationalities get 30, 90 or 180 days visa-free, and some nationalities need a visa.
- Entry to mainland China is decided separately, by mainland rules: the 30-day visa-free scheme, the 240-hour transit scheme, or a visa.
- A mainland visa does not cover Hong Kong or Macao, and time spent in Hong Kong does not count against your mainland stay.
So the correct question is never "Do I need a visa for China?" but "Do I need anything for Hong Kong, and *separately* anything for the mainland?"
Flying into Hong Kong and crossing to the mainland
This is the most common pattern, and the crossing itself is easy. Options include:
- High-speed rail from West Kowloon. The Guangzhou-Shenzhen-Hong Kong Express Rail Link runs from West Kowloon Station in Hong Kong to Shenzhen and on to Guangzhou and the wider national network. Immigration for both sides is handled at West Kowloon, so you clear Hong Kong exit and mainland entry before boarding.
- The Hong Kong-Zhuhai-Macao Bridge. A road crossing connecting Hong Kong, Zhuhai and Macao, with shuttle buses. Useful if your route continues west into Guangdong.
- Ferries. Services run from Hong Kong to Shenzhen and Zhuhai, and Macao connects to Zhuhai at Gongbei and via the bridge.
Whichever you use, you pass through a real border crossing with real checks. Your mainland entry route has to be valid at that point, not just at an airport.
The key question: does your Hong Kong stop break the transit route?
The 240-hour visa-free transit scheme requires you to travel from one country or region to a third country or region. Hong Kong and Macao are treated as separate regions for this purpose, which is why itineraries such as London - Hong Kong - Shenzhen - Bangkok are commonly used.
But the assessment is based on your whole itinerary, including where you entered the region from and where you are going next. If your routing looks like a return trip rather than a genuine transit - London - Hong Kong - Shanghai - London, for example - it is not transit, and you need a visa for the mainland leg.
If you are relying on transit to get into the mainland from Hong Kong, confirm it in advance with the port you intend to use or on the immigration service hotline 12367. Do not assume it on the day.
What if you need a mainland visa?
If your itinerary does not qualify for visa-free entry or transit, apply for a mainland visa before you leave home. Applications are normally made in your country of residence through the Chinese visa application service centres.
There are also authorised centres in Hong Kong that serve applicants legally staying there, which is genuinely useful if you are already in the region - but eligibility depends on your status in Hong Kong, and processing takes days, not hours. Build it into your plan rather than arriving in Hong Kong and hoping.
Two practical warnings:
- A single-entry visa is consumed on first use. If your trip is Hong Kong - mainland - Hong Kong - mainland, a single-entry visa will not do. You need a multiple-entry visa or a qualifying transit entry each time.
- A mainland visa does not let you enter Hong Kong. The reverse is also true. Two separate permissions.
A worked example
Ten days, one family, four stops:
| Day | Route | Entry permission used |
|---|---|---|
| 1-3 | Fly into Hong Kong, stay three nights | Hong Kong's own visa-free rules |
| 4 | High-speed rail West Kowloon to Guangzhou | Mainland entry (visa or visa-free route) |
| 5-7 | Guangzhou and Shenzhen | Within mainland stay |
| 8 | Cross to Macao | Macao's own entry rules |
| 9-10 | Return to Hong Kong, fly home | Hong Kong entry again |
If the family holds passports covered by the 30-day unilateral scheme, the mainland leg is straightforward. If they hold US passports, they need a mainland visa, because the trip begins and ends in Hong Kong - there is no third country in the main itinerary.
Practical points for a connected trip
- Transport across the border is frequent. The West Kowloon rail link, the bridge and the ferries all run multiple times a day; book rail seats in advance as they sell out at weekends and holidays.
- Check which port you are using. The transit scheme operates at designated ports. Not every ferry pier or land crossing is on that list.
- Currency changes. Hong Kong uses the Hong Kong dollar and Macao the pataca; the mainland uses the renminbi. Your mainland mobile payment setup will not work in Hong Kong - our payment guide explains the mainland side.
- Mobile data changes too. A mainland SIM or eSIM behaves differently in Hong Kong, and a Hong Kong SIM behaves differently in the mainland. Plan connectivity for both legs; the practical detail is in our internet and eSIM guide.
- Keep your onward ticket. It is the document that makes a transit entry defensible.
Frequently asked questions
Do I need a visa for Hong Kong if I have a mainland China visa?
No - they are separate. You need to check Hong Kong's own entry requirements for your nationality, and a mainland visa does not exempt you from them.
Can I use China's 240-hour visa-free transit to go from Hong Kong into the mainland?
Often yes, because Hong Kong counts as a separate region for transit purposes, provided you have a confirmed onward ticket to a third country or region. But eligibility depends on your full itinerary, so confirm with the port authority or on 12367 before relying on it.
Does time in Hong Kong count against my 30-day mainland visa-free stay?
No. The mainland stay clock starts when you enter the mainland, and Hong Kong and Macao are outside it.
Can I apply for a Chinese visa while I am in Hong Kong?
There are authorised application centres in Hong Kong serving applicants legally staying there, so it is possible. Eligibility depends on your status in Hong Kong and processing takes several days - do not plan around it as a same-week solution.
How much time should I allow at the border?
For the West Kowloon high-speed rail crossing, allow a full hour beyond the train time, and longer on holiday weekends. Ferry and bridge crossings are quicker but have their own schedules.
For the mainland side of your trip, start with which entry route applies to you and the fine print of the 30-day visa-free scheme. Our China Visa & Entry column tracks the rules for both the mainland and the special administrative regions.