The following can enter without Mongolia without a visa: Argentina, Belarus, Brazil, Canada, Chile, Cuba, Ecuador, Germany, Hong Kong, Israel, Japan, Kazakhstan, Kyrgyzstan, Laos, Macao, Malaysia, Peru, Philippines, Russia, Serbia, Singapore, South Korea, Thailand, Turkey, Ukraine, United States, Uruguay and Uzbekistan.
A visa on arrival is available for passport holders from Australia, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech, Denmark, Estonia, Finland, France, Greece, Hungary, Icaland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, Netherlands, New Zealand, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, United Arab Emirates and United Kingdom.
Everyone else needs a visa, and a 30 day visa costs $50 and up, depending on your passport. An evisa is available.
Mongolia Electronic Visa
Mongolia Visa Information
Mongolia visa on arrival
Mongolian embassies
