Summer trout flyfishing. What month and place would you pick?

[5282jt]

My wife's father was raised in Arkansas and she wants to visit the state.
We have never been there. We take a
"cheap" trip every summer to get a break from the Florida heat.
I can pick the time to go, but it has to be between July 1st and Sept 15th.
When and where would you go to catch trout?
I don't care to just drive around looking at things with my wife for 4 days! :-)
Thanks!
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