Most people will need a visa except citizens of Mali, Chad, Central African Republic and Nigeria and it is very advisable to obtain it before arriving.
Central African Republic
Entry will be refused to citizens citizens of Guinea, Liberia, Nigeria and Sierra Leone, and those who recently visited those countries due to the current ebola virus outbreak.
There any many types of visa:airport transit visa for airport transit;visitor visa for visiting friends and family in Cameroon;business visas for work-relating activity in Cameroon; tourist visa for tourism purposes;student visa for studying abroad and learning at the universities; employment visa for taking up work in Cameroon;and permanent residence visa, which is issued if you a marry a Cameroonian.
What you will need to get the visa:
For all visas:
A yellow fever vaccination certificate, regardless of what country you're from. You must also show this to the authorities at the airport once arriving in Cameroon.
The application form and 2 passport-size photographs.
The application fee ex: In March 2011, this was USD141 for citizens of all countries except the visa waiver countries mentioned above.
Your passport with at least six months remaining before expiration.
Then, depending on whether you are requesting a Visitor Visa or a Tourist Visa, you will need:
For a Visitor Visa:
A letter of invitation for a visitor's visa and a reservation confirmation from your hotel for a tourist's visa. If you need a visitor visa, the person you're visiting must create the letter invitation, and get it approved and stamped by the local authorities before sending it to you. The letter must state that you have a place to stay during your trip e.g. the home of your hosts. If you're staying in a hotel, a hotel reservation will suffice.
For a Tourist Visa:
A consular letter from your bank stating your current balance. It must be signed by the bank for it to be valid.
A reservation confirmation from your hotel.
Check the Cameroon Embassy website in your country of residence or closest for more up-to-date information. Map of embassies and other diplomatic missions of Cameroon
Cameroon can be reached via:
Paris Air France
Brussels Brussels Airlines
Lagos Virgin Nigeria and Bellview Airlines
Nairobi Kenya Airways
Amsterdam KLM Royal Dutch Airlines
Casablanca Royal Air Maroc
Addis Ababa Ethiopian Airlines
Sometimes airport staff try to help with the luggage inorder to get extra euros/dollars from travellers.
There is also an official airport tax 10.000 CFA for outgoing flights.