Once the property of Andrew Carnegie's only child Margaret Carnegie Miller, this idyllic retreat with an updated 1860's antique main home and French architect-designed stable is sited on 206 secluded and completely unrestricted acres in the heart of Millbrook Hunt Country. Hallmark Farm's rolling hills and ever-changing views of the Catskills, epitomize the area's storied country life - the legendary Millbrook Hunt gallops across this very land! This extraordinary stretch of landscape, minutes from Millbrook Village, offers the ultimate luxury for you and your family: privacy, size and security. Completely renovated and expanded in 2003, the 4 bedroom/4.5 bathroom main house features wide board pine floors, reclaimed from trees cleared on the property. The quintessential pastoral experience includes the dramatic living room with 20 ft. coffered ceilings, wood burning fireplace and transom-topped French doors facing south, west and north. A chef's kitchen and charming breakfast room that faces east for the morning sun. Additionally a FDR with f/p and French doors, a paneled library with f/p, office, and pdr room round out the first floor. Two guest suites with full baths on the 2nd floor, plus primary bedroom encompasses a bathroom, and dressing room. An elevator services 3 floors. The embellished interiors of Hallmark Farm's signature stable were designed by famed French architects Atelier Choiseul and are paneled with European beech, American oak and white pine. The stable includes ten 12' x 12' stalls, feed room, tack room, lounge and a hayloft. Two apartments accommodate farm managers and grooms, and a 3-bay garage, one with a truck and tractor lift. A shingled carriage house offers 3 apts, storage for 5 cars and a greenhouse wing. Paddocks varying in size from 6 to 12 acres, 4 with run-in sheds. Miles of pristine post-and-rail fencing and fields are ideal for healthy horse foraging. The estate's vast acreage includes an apple orchard, pond, multiple trails including a one-mile loop designed by A.E Bye and hunter trial course designed by local equestrian legend Tom Duggan, with ample room for a myriad of recreational pursuits. This is a rare opportunity to own an estate with the provenance and quality of Hallmark Farm. The current owners have enjoyed it for 40 happy years. Don't miss your chance to call this prized equestrian estate your own.