Most private clubs require some type of a Club Level Handgun Safety Course before that member can bring handguns registered to his address. Bringing a guest with minimal training(RPAL) would require close supervision, probably with the members handguns. Public- commercial ranges may be different.
In Ontario you need an invite. Happens ALL the time for courses and events. Private invites from members is also acceptable.
Under the new legislation, according to politicians and the media, you can take your high-powered machine guns to the shopping mall, so I am sure its OK for you to visit a range as a guest with a simple handgun.
Enjoy your visit!