Experience a rare Zen-inspired retreat in the heart of the Berkshires, brilliantly designed to exist in harmony with its natural surroundings. Set on nearly 120 acres of protected land with striking rock outcroppings, sweeping mountain views, and frontage along the Williams River, this architecturally significant contemporary offers a true sense of privacy, tranquility, and escape- all just minutes from downtown Great Barrington. Designed by renowned architect Steven Haas and constructed of steel, glass, concrete, and wood, the main residence is defined by dramatic volumes and German Sorpetaler door and window systems that dissolve the boundary between indoors and out. Expansive decks made of exotic IPE hardwood overlook a 25-meter heated saltwater lap pool, outdoor kitchen, hot tub, stone fire pit, and the stunning surrounding landscape. A well-appointed pool cabana features a full bath with vanity and both indoor and outdoor showers for effortless poolside living. The newly updated chef's kitchen with wood burning fireplace anchors the home seamlessly connecting to the outdoor entertaining areas, ideal for gatherings. The main living room offers a second fireplace, separate bar area, and immersive views of nature. A covered courtyard seamlessly connects the spaces, enhancing the home's serene, contemplative design. The primary wing is a private sanctuary with spa-like bath, dressing room, a lounge/office room and private decks overlooking breathtaking views of the Berkshire Mountains. The lower level provides spaces for relaxation and entertainment, including a billiards room and additional living area with wet bar. Guest accommodations feel like a retreat, with luxurious baths and a sense of privacy. A separate guest house offers two bedrooms, an open kitchenette, dining and living space, and a rooftop deck with panoramic views. A beautifully finished 3,000 sq ft recreation barn with full kitchen, dining area, full bath, open loft area, and expansive open space offers remarkable versatility for entertaining, recreation, or creative pursuits. 8 miles of private hiking and biking trails wind through the property and lead to the serene Williams River, completing this extraordinary compound retreat. A quintessential Berkshire setting off a quiet country road, this one-of-a-kind sanctuary offers sophisticated aesthetics, effortless modern living, and an unparalleled connection to nature- just moments from the dining, shopping, and cultural attractions of Great Barrington and beyond.