A once-in-a-generation opportunity to own an extraordinary private estate in Rural Whitchurch-Stouffville, set on approximately 42.35 acres at McCowan Rd & Bethesda Side Rd, where the character of the area is defined by country living, natural beauty, golf, equestrian uses, and easy access to urban amenities. Behind a gated, tree-lined, solar-lit drive awaits a truly spectacular retreat featuring 3 bass-filled ponds, including 2 ponds of approximately 2 acres each, a sandy beach, 2 waterfalls, artesian springs, mature forest, winding trails, extensive wildlife, perennial gardens, and a rare private golf experience with 9 tee locations and artificial greens. Two legal dwellings and multiple outbuildings elevate the property's versatility, including an impressive 60' x 40' party room with deck overlooking the south pond, plus a heated workshop for hobby, business, or storage use. The main residence offers an unforgettable Muskoka-inspired lifestyle with panoramic water views, a large tiered backyard deck, a serene lily pond setting, and a stunning primary loft retreat with 5-piece ensuite, soaker tub, walk-in closet, and walk-out to a rooftop deck. Exceptionally private yet just minutes to Stouffville and Highway 404, this is a landmark estate that seamlessly blends luxury, recreation, nature, and resort-style living into one irreplaceable property.