Heartwood Farm is a magnificent estate located in the heart of Radnor Hunt. Beautifully situated on 72 acres comprised of two parcels on rolling Chester County pasture and countryside. The early twentieth century stately Chester County stone farmhouse with slate roof was designed by renowned architect Brognard Okie, with a 1960 addition and 2005 addition by Peter Zimmerman emulating the previous addition. Main house includes: 8 Bedrooms, 6 full and 3 half baths, gourmet kitchen, formal dining room, living room, solarium, library, billiards room, bar, wine room, and underground shooting range. A large flagstone patio with unparalleled views runs the length of the house and is a stunning outdoor entertaining space. Nestled on the south side is a lighted Har-Tru tennis court and swimming pool with cabana. The house overlloks the pastoral views of open space to the barn complex of buildings. Two barns have 24 total stalls, two tack rooms, two heated wash stalls, feed room, office, apartment, 5 car garage as well as a fenced, lighted riding ring with all weather footing. Additionally there is a large level grass dressage and show jumping training area. Charming historic 5 bedroom 2.1 bath house known as the Isaac Massey house circa 1780, with wide plank hardwood floors and a beautiful open hearth period fireplace. This iconic property has been the setting for many charitable events. This Willistown Township legacy property is convenient to Philadelphia, the Main Line, Septa R5 commuter and Amtrak regional trains, PHL and Brandywine airports, Wilmington, West Chester, first rate educational institutions and cultural activities all within 10 to 45 minutes drive. Please see additional listing MLS# 6793853 and MLS# 6793869 for the two parcels separately.