I don't think US Visa works any more. You need a visitor visa or

I think you need a visitor visa or some kind of document issued by Canada government.

所有跟帖： 

• 你是说中国护照美国绿卡持有者到加拿大需要签证，是吗？如果是这样那就有点麻烦了，请确认，谢谢！ -Agen- ♂ (0 bytes) () 04/23/2019 postreply 18:44:30

• 是要Visa的，但可以网上申请，发个邮件就可以了。我是办理登机手续才知道要的，就用手机当场申请 -g18- ♀ (0 bytes) () 04/23/2019 postreply 19:40:51

• if you don't take airplanes, no visa needed. -twoboys_mom- ♀ (0 bytes) () 04/24/2019 postreply 05:59:19

• True! Sorry I double checked on the gov. Website, land crossing -Backcountry- ♀ (224 bytes) () 04/24/2019 postreply 07:16:49