A rare opportunity to own an equestrian estate on 206 unrestricted acres in the heart of Millbrook hunt country offering miles of fenced, cultivated pastures, riding trails, picturesque ponds and panoramic views of the Catskills. For the first time in forty years, this phenomenal country manor, once the property of Andrew Carnegie's only child Margaret, is offered in move-in condition with the updated over 6000 square foot 1860's main home having state-of-the-art systems installed, and an extraordinary stable by French architects Atelier Choiseul. The equestrian facility includes stables, paddocks, feed room, tack room, run-in sheds, lounge, hayloft, plus staff apartments/housing, equipment storage. Property also encompasses professional hunter trial course. Once in a lifetime offering to live the quiet-luxury country life, enjoying the Millbrook Hunt, Mashomack Polo, and hunting and fishing at Orvis Sandanona. Minutes to the Village and Metro-North station and a 90-minute trip to Manhattan.