Set on a private, tree-lined half-acre on one of Thornhill's most beautiful cul-de-sacs, this impressive residence offers more than 9,000 square feet of total living space and exceptional grounds for entertaining and family living. A soaring 20-foot cathedral ceiling, floating staircase and abundant natural light create a striking first impression. The center-hall layout unfolds into generously proportioned principal rooms, including living and family rooms with marble fireplaces, and a dining room overlooking the gardens. A private office with its own entrance offers comfortable setting for working from home. The spacious kitchen features built-in appliances granite countertops, a large center island and a bright breakfast area with a walkout to the deck, connecting indoor gatherings with outdoor dining. Five upper-level bedrooms each enjoy an ensuite bathroom. The primary suite is a peaceful retreat with a sitting area and private deck overlooking the backyard. The finished lower level offers an additional bedroom with ensuite, an expansive entertainment area with a stone fireplace and built-in bar, an exercise studio and a sauna. Walk-up access leads directly to the backyard. Outdoors, mature trees surround the fully fenced grounds featuring a separately fenced pool, a generous deck and a dedicated play area. A circular driveway with parking for 10 vehicles and a three-car garage complete the property. An exceptional combination of space, privacy and amenities in a coveted Thornhill setting.