I fogot to mention you can rent them.
at this point in time almost everyone carries a camera with their phone however if you're one of those people who need to have the next best thing in camera equipment sure bring your own. As far as renting a camera I do not know that's a good question you might want to contact canyon zip lines I'm sure they can answer all of your questions that you may have don't forget to make a reservation it's lots of fun.
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