250 Long Pond Road Experience a rare Zen-inspired retreat in the heart of the Berkshires, designed in harmony with its natural surroundings. Set on nearly 120 acres of protected land with striking rock outcroppings, sweeping mountain views, and ~1, 000 feet along the Williams River, this architecturally significant Contemporary offers exceptional privacy just minutes from Great Barrington. Designed by Steven Haas, the home blends steel, glass, concrete, and wood, with soaring interiors and Sorpetaler sliding glass walls that open seamlessly to nature. Expansive decks overlook a 25-meter heated saltwater lap pool, hot tub, and fire pit. The open chef's kitchen with oversized wood-burning fireplace anchors the home, while the living room offers a second fireplace and serene views. A glass and stone courtyard enhances the tranquil design. The primary suite is a private sanctuary with spa-like bath, dressing room, office/lounge, and its own deck. Guest accommodations throughout offer comfort and privacy. The lower level includes a billiards room, wet bar, and additional living space. A separate guest house features two bedrooms, kitchenette, living/dining area, and rooftop deck. The 3, 000 sq ft recreation barn offers a full kitchen, loft, gym, and flexible gathering space. Eight miles of private trails lead to the Williams River, completing this exceptional retreat just 10 minutes from town.