Willow Valley Dam AZ hike. Length: 6 miles round trip (out and back to the dam beginning near Lake Mary Road). Rating: Easy. Elevation: 6,924-6,745 feet. Getting there: From Flagstaff, go 42 miles ...

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Willow Valley has nearly 2,500 residents and about 1,400 employees, making Willow Valley the county’s biggest — and one of the nation’s biggest — senior-living communities.