Are you heading for Utah's National Parks?
https://www.cnn.com/travel/article/arches-national-park-visitors-overcrowding/index.html Gary Haupt
Forum Discussion
I still prefer Arches over Zion by a wide margin. Hiking the Narrows was the highlight of my two brief Zion visits, but there are other slot canyons with less people. The scenery at Arches is spectacular IMO.
