The first ever origami convention in Canada is happening this year in Vancouver from October 5-8, 2012! It is located at the Century Plaza Hotel on 1015 Burrard Street. The registration fee is $180, which includes a complimentary $20 t-shirt. You can register here on this site. Take note that the number of participants is being capped at 200 so get your tickets while you can!
The main organizer is a local Vancouver origami master, Joseph Wu. It also features guest artists Giang Dinh, Hoang T. Quyet, Stephan Weber, Quentin Trollip, and Kade Chan. It promises to be a spectacular event.
You can also check out their facebook site here.