Welcome to 509 Arnhem Drive, nestled on a quiet street in Oshawa's highly desirable O'Neill neighbourhood! Situated on an exceptional pie-shaped ravine lot backing onto Valley Grove Park, this beautifully updated 3-bedroom, 4-level sidesplit offers the perfect combination of space, privacy, and natural surroundings. Featuring updated flooring, fresh paint, and modernized trim throughout, this home offers a refreshed interior with a functional layout designed for comfortable everyday living. The spacious kitchen opens onto an expansive covered deck overlooking the picturesque backyard and ravine, creating the perfect setting for outdoor dining, entertaining, or simply enjoying the peaceful surroundings. The above-grade lower-level family room features a convenient walk-out to the backyard, providing additional living space and seamless access to the outdoors. Step outside to discover an incredible backyard retreat complete with an in-ground swimming pool, brand-new pool pump and cover, and plenty of room to relax and entertain. Additional highlights include a durable steel roof, newer furnace, and appliance packages available on closing. With multiple walk-outs, generous outdoor living areas, and a rare oversized lot surrounded by mature greenery, this property offers an exceptional opportunity in one of Oshawa's most established neighbourhoods. Conveniently located just minutes from Costco, Oshawa Centre, Durham College, Ontario Tech University, schools, parks, shopping, and major commuter routes. Experience the perfect balance of city convenience and peaceful ravine-side living at 509 Arnhem Drive!