What are the requirements for legal permanent residents travelling to canada?

Question

What are the requirements for legal permanent residents travelling to canada?

Answer 1

permanent residents of which country?

Answer 2

If you are a green card holder in the U.S., you may enter Canada using your green card.  You do not need a visa.    See  1st site below and read section on "permanent residents."  On 2nd site scroll way down and read 2nd paragraph under "Visitor Visa Exemptions.

Answer 3

A passport is the ideal identification for United States residents.

Citizens born in the U.S can show a birth certificate, certificate of citizenship or naturalisation, plus photo identification.

Permanent residents of the U.S. who are not citizens need to bring their U.S. Permanent Resident Card (‘green card’).