Rare opportunity! Greenwich gem nestled on over one acre of tranquil, park-like grounds bordering 100+ acres of conservation land. This 3,900+ sf residence offers the perfect blend of privacy and convenience, with 4 beds, 4 baths, and optimal proximity to shops and transportation in the sought-after North Street School district. The main level showcases a spacious kitchen/family room opening onto a large deck, ideal for entertaining or unwinding amidst serene surroundings. Seamlessly connected are a living room with fireplace, dining room and a sitting room. Tucked away off a quiet hallway you will also find a large office. Indulge in the luxurious main-level primary suite boasting cathedral ceilings, an expansive walk-in closet, and a spa-like bathroom. Upstairs, discover three additional generously sized bedrooms and 2 full baths, offering ample space for family and guests. The lower level with walk-out sliders is an entertainment haven, featuring a large bonus room with stone fireplace and an additional gym/home theater. Go outside to direct access to Montgomery Pinetum's 100+ acres of conservation land, offering 2 miles of nature trails and ponds--a paradise for outdoor enthusiasts and dog owners. Yet Cos Cob train station to NYC is less than five minutes away! A convenient two-car garage completes this exceptional offering.