Is it pet friendly

I've seen people with dogs at the campground. But you should read Zion's rule about pets here: https://www.nps.gov/zion/planyourvisit/pets.htm

We just left there and were upset because we didn't know about the rules , you cannot leave your dog in the camper at the rv park. They have to be with you at all times are not allowed on hiking trails, or shuttle buses. The only trail they can go on with you is the Pa'rus trail,which runs through the campground. Its a paved trail,which is nice. We ended up boarding our dog one day while we went to angels landing, and the narrows. Our baby had never been boarded before. We were very excited to pick him up. Next time we will,make other arrangements. Hope this helps

I've seen a lot of dogs at the campground. I'm planning to bring mine next time

Yeah, I've seen people with dogs but if they're being loud and unruly they ask you to leave. As long as they're well behaved. I believe you have to register them when you reserve your campsite