Embassy
Embassy of the United States, Ulaanbaatar
Ulaanbaatar
American citizens do not need a visa for Mongolia. Show your passport at the border and stay up to 90 days.

USA
United States
MNG
Mongolia
No visa needed
People from 13 listed countries and regions can visit without a visa.
Check your passport is valid for the whole stay, ideally six months beyond it.
Carry proof of onward travel and of funds; border officers can ask for both.
Note the maximum stay and count your days in Mongolia.
Check if you need a visa before your holiday.
How to apply
Documents required
How to apply
Documents required
How to apply
Documents required
How to apply
Documents required
How to apply
Documents required
For lost passports and emergencies.
Embassy
Ulaanbaatar
Best time to go: May to September is a good period to visit. July and August have favourable weather but more visitors, while September is quieter with chilly nights.

Mongolia is a landlocked East Asian republic between Russia and China, covered by steppe and desert.
Going to Mongolia
Places close to Mongolia with simpler entry for you.
American citizens do not need a visa for Mongolia. Show your passport at the border and stay up to 90 days.
Up to 90 days each visit with the no visa needed rule. Staying longer can mean a fine or a ban from coming back.
Mongolian citizens need a visa for the United States, from its embassy or consulate.
Argentina, Brazil, Canada, Chile Colombia, and 5 more can enter without applying before they travel.
Hong Kong, Japan, Macau, South Korea Taiwan, and 3 more let american citizens in without applying before travel.
Check your passport is valid for the whole stay, ideally six months beyond it. Carry proof of onward travel and of funds; border officers can ask for both.
Mongolian tögrög (₮). Carry some cash for arrival, especially if a visa fee is paid at the border.
Mongolian.
It ranks #12 and reaches 150 destinations without applying ahead.
Reviewed by @snuck