Originally posted by Lazerthegreat
Hold on wireless! Canadians would NOT let you in from a 3rd country (other than USA) even if you have green card but do not possess a valid visa. Please be very very sure to obtain canadian visa if you want to reenter canada from 3rd country directly. Never remain in the illusion that you could enter canada with just green card.
You are wrong. Check this web site: it is canada embassy web site.
http://www.cic.gc.ca/english/visit/visas.html We are exempt from Visa there. look at the end of the page under exemption
VISITOR VISA EXEMPTIONS
Many people do not require a visa to visit Canada. These include:
citizens of Andorra, Antigua and Barbuda, Australia, Austria, Bahamas, Barbados, Belgium, Botswana, Brunei, Costa Rica, Cyprus, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Israel (National Passport holders only), Italy, Japan, Liechtenstein, Luxembourg, Malta, Mexico, Monaco, Namibia, Netherlands, New Zealand, Norway, Papua New Guinea, Portugal, Republic of Korea, St. Kitts and Nevis, St. Lucia, St. Vincent, San Marino, Singapore, Solomon Islands, Spain, Swaziland, Sweden, Slovenia, Switzerland, United States, and Western Samoa;
persons lawfully admitted to the United States for permanent residence who are in possession of their alien registration card (Green card) or can provide other evidence of permanent residence.
You still need a travel document to enter from a third country.