For most travelers from the U.S., UK, or EU, you do not need an International Driving Permit (IDP) to drive in Canada. A valid, unexpired driver's license from your home country is sufficient for short-term visits (typically up to 90 days, depending on the province). However, if your license is in a language other than English or French, you are strongly advised to obtain an IDP, which acts as a certified translation of your credentials. Even if not strictly required by law, some car rental agencies may ask for an IDP to simplify their insurance processing. In 2026, it is also a "peer-to-peer" best practice to carry your passport alongside your license. If you plan to stay longer or are moving to a specific province like Ontario or British Columbia, you will eventually need to exchange your license for a local one. For a standard 2-week road trip through the Rockies, your standard home-country license is all you need to get behind the wheel.