Welcome to your exclusive retreat in Cornwall-a gated estate boasting breathtaking Hudson River and Valley views across its expansive 9-acre park-like grounds. As you enter the main house, you're greeted by a grand marble foyer and sweeping double staircase, setting the stage for the luxurious living that awaits. The main floor features a moody library/office, open chefs- kitchen with stunning vistas, a formal dining room, and a grand living room complete with a fireplace and panoramic views of the surrounding landscape. Upstairs, the primary suite awaits, offering a sanctuary of relaxation with a separate sitting room and a two-sided fireplace, ensuite bathroom with a soaking tub, and epic views stretching as far as the eye can see. Three additional bedrooms, two with ensuite bathrooms, provide ample space for family and guests. Descend to the basement, where you'll find an additional full bathroom-perfect for post-pool ease-and an extra great room that can be customized as a gym, screening room or hangout space and a bonus area providing lots of room for storage. Outside, the exceptional grounds beckon with multiple terraces, stone walls, a pergola, and a swimming pool -all strategically positioned to maximize the stunning Hudson River vistas. An additional 1300 sq foot, 3 season, guest house offers a kitchen, fireplace, one bedroom, and one full bath-a charming and private retreat for guests. This space can easily be winterized. And for the car enthusiast or hobbyist, a detached 4-bay garage awaits, complete with ceramic tile flooring, a screening room, wet bar, workshop, and second-floor loft apartment with a full bath. Beyond its natural surroundings, Cornwall exudes small-town charm with award-winning schools and charming main street lined with shops and restaurants. Outdoor enthusiasts will delight in the countless opportunities for adventure, from hiking and biking at Black Rock Forest to exploring the renowned Storm King Art Center, just a few miles away. Beacon and Newburgh are just minutes away and Cornwall is located just 1 hour north of the George Washington Bridge. Additional Information: Amenities:Guest Quarters,HeatingFuel:Oil Above Ground,ParkingFeatures:3 Car Attached,4+ Car Detached,