My sister have green card and a passport does she need a visa to cross the border?

Green card is good. Don't need visa.

I HAVE A TEN YEARS VISA FROM THE USA DO I NEED A VISA TO CROSS OVER TO CANADA

i have my green card go to canada?

Hi my friend was in canada on a removal.she came to the us n now became a permeant resident wat can she do to visit family in canada.do she need a visa.

No she don't need a visa