Vancouver area is not lacking in ranges.. Well, if you live IN Vancouver maybe. If your a bit east of that, its fine. There are ranges in Coquitlam, PoCo, Pitt Meadows, Mission, Langley, Abbotsford, and Chilliwack. Also a shotgun club in Richmond I think...
In Vancouver, you need to be aware of the no-discharge bylaws, and no shooting areas. Basically you need to be East of Mission on the north side of the fraser, and east of Chilliwack on the south side of the Fraser. But get more detailed info on where ever you plan to go.
You have to get pretty far from Vancouver before you get to any parks you can hunt in...