If you are intending on taking a trip to Canada and you are likely to fly you need to get an ETA Canada in order to take your vacation. You can't board your flight without getting your ETA and it is designed to help individuals be safer once they travel. You may get this electronic travel authorization online and this will be valid for a couple of years so you can use it for a long time. Read regarding how to discover ways to get your ETA inside the shortest period of time.