Stonewall Old Sim, also known as Stonewall Links (Old), is a playable golf course for users of the TGC 2019 (The Golf Club 2019) golf simulation software. This 18-hole golf course in Elverson, PA, USA was designed for the game by the user Brace33.

It is a highly rated private golf course with Bent Grass fairways and is open to golfers throughout the year. This golf course has a length of 6980 yards, 70 par and a slope value of 139. It was built originally in 1993.