Rare multi-generational estate and investment opportunity in East Tennessee offering approximately 3,892 square feet of total heated and cooled living space between the main residence and separate ADU/in-law apartment. Situated on 4.16 private acres and surrounded on three sides by the East Fork of the Little Pigeon River, this unique property features more than 1,260 feet of river frontage and a peaceful, park-like setting. The main residence offers approximately 2,748 square feet with spacious living areas, a large kitchen with oversized island, heated primary bathroom flooring, whole-house water filtration, central vacuum, energy-efficient features, and numerous custom upgrades. The additional approximately 1,144 square foot heated and cooled ADU provides incredible flexibility and brings the total conditioned living space to approximately 3,892 square feet. This separate space is ideal for multi-generational living, an in-law suite, adult children, extended family, guests, or a private secondary living area. It also offers potential for short-term rental or Airbnb use, subject to applicable regulations and permitting. Currently utilized as a dedicated canine facility, the ADU and existing property improvements may also appeal to buyers interested in a kennel, dog boarding operation, breeding program, grooming business, or other home-based business use, subject to applicable zoning and restrictions. Fenced exercise areas add additional functionality for pet-related uses. A detached 1,152 square foot garage and workshop provides excellent space for vehicles, equipment, storage, hobbies, or business operations. Additional features include outdoor lighting, underground utilities, usable acreage, extensive river frontage, and convenient access to Sevierville, Knoxville, and the Great Smoky Mountains. Whether you're looking for a multi-generational family compound, private riverfront estate, Airbnb investment opportunity, kennel or pet-related business property, hobby farm, or a residence with multiple potential uses, this property offers a rare combination of privacy, space, infrastructure, and versatility.