The pinnacle of refined elegance awaits...Tucked amongst towering trees on 3+ acres, this RIVERFRONT estate is the most exclusive hidden treasure that the Fox Valley has to offer. Situated well above the river levee, this sensational home provides unmatched privacy, tranquility, and picturesque landscape featuring waterfall, tall grasses, and wildflowers. Unrivaled in its setting, the property showcases the 6500+ sqft Avondale custom home, two-story detached garage which can house 6 cars, and 185 feet of river frontage to enjoy the 5 miles of navigational waterway. Incredible design and craftsmanship is evident throughout with the most luxurious amenities and finishes ~ walnut HW & natural stone floors, extensive millwork & mouldings, knotty alder doors, arched doorways, dramatic volume ceilings, and SO much more. The gourmet kitchen boasts expansive island, stone & quartzite countertops, glass inset cabinets, and professional appliances (Subzero refrigerator and drawer refrigerator/freezer, Wolf range, and Miele dishwasher). An adjacent second kitchen makes entertaining a dream! A fabulous sunroom w/ access to the bluestone balcony is the ideal spot to enjoy panoramic views. The private office features magnificent millwork and opens to a grandiose library w/ plenty of built-ins. The master suite highlights exemplary amenities w/ gas fp, private balcony, reinforced safe room, huge WICs, and luxurious bath complete w/ heated floors. Three bedrooms, two baths, a gracious seating area, and sizable media room complete the second level. The third level could be easily finished to accommodate an additional 2500 sqft of living space. The WALKOUT lower level opens to a covered bluestone patio w/ fireplace, solid cedar beam ceiling, and gas grill. Top of the line systems & mechanicals include: whole-home wired surround system, Creston Smart Home system, radon mitigation system, commercial grade water treatment system and substantial security system. A true personal oasis just minutes from schools, restaurants, shopping & much more!