It can be as long or short as you'd like. If you don't go through all the different parts it can be 15 minutes but it can also take an hour if the bison or elk decide to block the road which has happened to me a few times especially since it's elk mating season they are out more right now. Definitely worth the drive through though!
Without stopping it takes like 20 min. But you have cars in front of you to consider. Definately with waiting until yo have time to enjoy the animals. AND yes it is mating season we watched a bull elk ram a pick up that came between him and the cow he was after. Oh BTW the truck was a Ram...lol
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