Discover the expert in you.
When traveling between Canada and the United States by any method, including bus, every person must pass through Customs and Border Protection at the border. Effective June 1, 2009, all travelers by land or sea must show identification in the form of a passport, passport card, enhanced driver license or enhanced ID card if they plan to re-enter the United States after visiting Canada.
Entry requirements for anyone visting Niagara Falls, Canada are governed by the Canadian Border Services Agency or CBSA. They vary according to the traveler's country of citizenship, reason for visit and age, however Canadian law requires every person to show proof of identity and citizenship. A Mexican citizen on a seven-month trip to Niagara Falls would need to produce a different set of documents than would a thirteen-year-old American citizen on a weekend drive with his parents to the same place. Bear in mind that the Canadian government reserves the right to refuse entry to anyone.
Passport requirements for Canada and the United States are similar in terms of who needs to show a passport when entering either of the countries. However, there are differences based on your country of residence and the reasons for your travel to Canada and the U.S. Both governments spell out passport requirements on their websites to make entering their countries a smooth and secure process.