Formerly known as Greene Country Club, the crown jewel of Gem City Golf Club is the renowned W.H. Diddel-designed championship golf course, dotted with mature trees and serene ponds. With bent-grass greens, fairways and tees that are perfectly conditioned and manicured, the course is arguably one of the best maintained and most challenging in the Miami Valley. The Club also recently added new tee boxes to make the course more enjoyable for golfers of all skill levels.