Capital Reef is a lesser visited park in southern Utah but it is a gem. It is rural.
I spent 2 days there and I think the other posters have more experience, but I will add this:
- there is a little store near the campground in Fruita. Get the small individual sized pies. Very tasty.
- The campground in the park does not take reservations, first come first served. You need to show up early enough or stay outside and then come in the next morning. Torrey is about 10 miles outside of the park. Sites are not big. I don't think my 35' would fit anywhere. They do have a group site but it is reserved under separate rules months in advance.
- Capital Reef is weird shaped.
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Cathedral Valley - We decide to do this loop and it was awesome. You can't take a trailer on it, but we did it in a Toyota 4runner and for me it was fun dirt-trail driving.
- Torrey has a great burger place that was on TV. One of those diners and dives type shows.
- I don't think I could find 10 days worth of stuff to do. I'm not a super avid hiker. I'd split the time as others have suggested, maybe Escalante or Kanab areas.