Home to Sun Valley (5)

I believe the answer is:

idaho

(Other definitions for idaho that I've seen before include "US state S. of Montana" , "Rocky Mountain state" , "NW state of USA" , "State of north-west USA" , "Union member?" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.