Welcome to 135 Steam Whistle Drive! Beautiful & Bright 4-bedroom, 4-bathroom home in the sought-after Blue Sky Community of Stouffville. Featuring 3,370 sq. ft. of living space plus a walk-out basement, all situated on a premium ravine lot, second largest in the community! Grand 10-ft ceilings on the main level and 9-ft upstairs, hardwood floors, pot lights, and upgraded baseboards.Bright, open living/dining spaces perfect for entertaining.A chef-inspired kitchen with quartz counters, a 6-burner WOLF range, a custom-panelled fridge, a pantry, and a beverage fridge.Spacious family room with a seamless flow to the kitchen. Dedicated home office/den for work or relaxation. The primary suite boasts two large walk-in closets and a spa-like ensuite, while the generously sized bedrooms offer comfort for the whole family. The oversized backyard backs onto a tranquil ravine, offering unmatched privacy and natural beauty, a blank canvas for your dream oasis. The walk-out basement is a bright, versatile space with oversized windows is ready to become a gym, guest suite, or additional living area. Walk to top-rated schools, including a new Catholic high school and a French immersion elementary school. Enjoy parks, trails, and all that vibrant Stouffville has to offer!