Talk to Phil Rowley at the Calgary Fly Fishing Expo which is just in a few weeks. Phil wrote an article about the tiger trout of Manitoba. I can't remember which magazine it was in. But I'm sure Phil will remember.
theres a few lakes in Saskatchewan that have Tigers in them... do some research online and maybe look into joining Saskatchewan Outdoors, I think it is called
But i remember looking into it and Sask has a few lakes with Tigers in them!