Welcome to Sunnymede, a magnificent estate, nestled atop the highest point in Sewickley Heights, seamlessly blending historic grandeur with modern elegance. Designed in 1921 by renowned architect William Boyd, Jr., and inspired by a Loire Valley French chateau, the main residence stands as a testament to timeless architectural excellence. Set amidst nearly six acres of lush landscape with magnificent historic gardens crafted by Frederick Law Olmsted, the visionary behind New York's Central Park and other landmark spaces worldwide, Sunnymede offers unparalleled beauty, privacy, and sophistication. The home exudes classic charm, featuring a grand entrance hall connecting the great room with cathedral ceilings, and antique ash beams and hardware from 18th-century England, a stunning library with cherry paneling and floor-to-ceiling bay windows, a banquet-sized dining room, and a covered patio with century-old wisteria. Breathtaking views of the beautiful historic gardens abound. The open-concept east wing is ideal for family gatherings and entertaining, featuring a state-of-the-art chef's kitchen and breakfast room, with hand-painted plaster moldings. The adjacent family room boasts a beamed coiffured ceiling, and a wall of built-ins that evoke the elegance and beauty of the Pine Room at Pittsburgh's Duquesne Club. With six fireplaces throughout, the home is a perfect blend of warmth, elegance, and timeless appeal. Walnut floors and French doors throughout the home provide seamless access to the grounds, further enhancing the indoor-outdoor flow. Beyond the main residence, Sunnymede boasts a luxurious pool house with a full kitchen and bath, a sparkling fifty-foot saltwater pool, and lush landscaping. A charming one-bedroom apartment sits above a three-car garage, while the greenhouse provides an additional serene retreat. With formal gardens, expansive open fields, and thoughtfully preserved green space, Sunnymede ensures unparalleled privacy and tranquility, offering the perfect setting for an extraordinary lifestyle.