As a Star Gold member you will have access to Air Canada's Maple Leaf Lounges as long as you have a boarding pass for a sameday Air Canada or Star Alliance departing flight.
There are three MLLs at YVR: one in the domestic pier, one near the international gates and one near the Transborder (i.e. US) gates.
They have snacks, open bar, internet access and high speed wireless service.
You won't be able to lounge hop at YVR, since each of the three areas, (domestic, international and transborder) are segregated from one and other.
Enjoy
http://www.aircanada.com/en/travelin...ges/index.html
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