Stately 5-Bedroom Executive Home on Rare Ravine Lot in Prestigious Thornhill. This is an exceptional opportunity to own a custom-built luxury residence in the heart of prestigious Thornhill, nestled on one of the deepest ravine lots in the neighborhood. Set on a premium 52.23ftx305.47ft lot, this magnificent home offers approximately 6,000sqft of total living space, combining elegance, functionality, and unmatched natural surroundings. Backing onto a private wooded ravine, this home offers the ultimate in tranquility and privacy a true retreat from the city, yet minutes to top schools, shopping, golf, and major commuter routes. Step inside to a grand, light-filled interior, highlighted by a stunning central spiral staircase with a soaring skylight above, bathing the home in natural light and creating a warm, airy atmosphere throughout. The main floor boasts a thoughtfully designed layout with dedicated home office, perfect for working professionals or families needing additional study space rooms, including a formal living and dining area, a cozy family room with a gas fireplace, and a spacious eat-in kitchen ready for your dream redesign. Upstairs, you'll find 5 generously sized bedrooms, ideal for large or multigenerational families. The primary suite features a luxurious ensuite & peaceful views of the treetops beyond. The fully finished walk-up basement is a standout feature ideal for entertaining or extended family with a second gas fireplace, ample recreation space, storage, and direct access to the backyard. In the backyard, there is endless potential to add a pool, outdoor kitchen, garden suite, or simply enjoy the natural forest backdrop year-round. Home is in a high-ranked school zone from Elementary to Secondary. Future North Yong Subway Extension nearby, easy access to public transit, groceries, community centre and more. This is an unparalleled opportunity to secure a true legacy property in one of Thornhill's most exclusive ravine communities.