Visitors from any country planning to stay in Mongolia for more than 30 days must register with the Mongolia Immigration Agency in Ulaanbaatar within the first seven days of arrival. Visitors who fail to register and who stay longer than 30 days, even for reasons beyond their control, will be stopped at departure, temporarily denied exit, and fined.Until 1997, individual tourists wishing to visit Mongolia needed a letter of invitation from either a Mongolian citizen or a foreign resident before being granted a visa. Since then the visa regime has been greatly liberalised with a resultant increase in tourism. There is no transit without a visa in Mongolia.
Mongolia previously had a temporary visa waiver for the citizens of 41 countries in place between June 2014 and December 2015.
Mongolia grants visa-free access to citizens of 23 countries and territories
Citizens of the following countries and territories do not require a visa to visit Mongolia for 90 days.
Citizens of the following countries do not require a visa to visit Mongolia for 21 days.
Citizens of the following countries and territories do not require a visa to visit Mongolia for 14 days.
Citizens of the following countries do not require a visa to visit Mongolia only if holding normal passports endorsed "For Public Affairs".
Visa is not required by frequent visitors from South Korea (4 times in 2 years or 10 times in total).
Holders of a confirmation of a pre-arranged visa can obtain a single entry visa on arrival, at Ulaanbaatar airport, provided their passport is valid for at least one year on arrival, arriving from a country without diplomatic representation of Mongolia and that sponsor in Mongolia submits request to the Mongolian Immigration Authority.
Holders of diplomatic passports of Czech Republic, Estonia, France, Germany, United Kingdom and holders of diplomatic or official/service passports of Brazil, Brunei, Bulgaria,Cambodia, Chile, China, Colombia, Cyprus, Hungary, India, Indonesia, Laos, Mexico, Myanmar, North Korea, Peru, Poland, Romania, Slovakia, South Korea, Turkey andVietnam.
Holders of a confirmation of a pre-arranged visa if their passport is valid for at least one year can obtain a visa on arrival.