I do not believe tours are available. You can go online and view the arena. It is a hockey arena, pretty standard.
The only time they give tours is when they are trying to sell season tickets, I believe. The football stadium next door does have scheduled tours.
They do but its only during select times i believe
Check out Glendale's website in the visitor section, I don't know if they have tours of the westgate area but if they do, the info should be there. Www.glendaleaz.com
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