A beautiful estate with a grass path that leads to the back of its 16.83 acres, with original stonewalls which showcase the fields and pastures that exude peace & tranquility. Wildflowers line the fields that back up to the Michael Ciaiola Nature Conservancy which affords another 600+ acres of privacy! First time on the market in over 50 years, this estate includes a 4BDR, 2.5 BTH main house, 1BDR, 1BTH guest house and a 3-stall horse barn with an 1160 sq ft hayloft of post & beam construction. The main house has gorgeous wide board vintage floors and original beams throughout plus 2 wood burning fireplaces. Custom cabinetry and hidden storage are in the formal living room, and the private library with built-in shelving makes it the perfect home office. Front family room is light and bright and is directly off the kitchen and the front bluestone patio for easy access. Kitchen has a huge bank of windows looking out back, a crescent brick window over the stove and a barn door leading to the private Trex deck. MBDR has a WIC and beautiful views over the side yard. Guest house has 1 BDR & 1 BTH and the 2nd floor has great open living space which enjoys vaulted ceilings, a Kitchenette (no stove), built-ins plus a bonus loft area. Minutes to skiing, hiking, lakes, highways, Metro North, schools, shopping & restaurants.