네...

지금까지는 무비자로 국경이나 공항에서 입국시에 인터뷰 하고 최대 6개월간 Visitor 비자를 받을 수 있었는데 2016년 3월 15일부터는 eTA를 신청해서 발급받아야지만 입국 가능하다네요.. (7$ CAD, 한번 발급하면 5년간 유효..)

http://www.cic.gc.ca/english/department/media/multimedia/video/visitcanada/visitcanada.asp

Korea, Republic of

Starting March 15, 2016, you need an eTA to visit or transit Canada by air. You can apply now for an eTA.

If you travel by land or sea, you will not need an eTA when you enter Canada. However, you must travel with proper identification.

Note: U.S. citizens do not need an eTA or a visa. However, proper identification must be presented at the border.

Applying for an eTA is a simple online process that takes just a few minutes. To apply you must have a valid passport, credit card, and email address.

Apply for an eTA