This is the Rockin' B Ranch - a breathtaking nearly 260-acre legacy estate set along the tranquil East Fork of the Wood River, where refined architecture meets the raw, untamed beauty of Idaho. Located just 13 miles from Ketchum and the Sun Valley Resort, and 15 miles from the airport, this extraordinary retreat embodies privacy, luxury, and the true spirit of the mountains. Designed by Janet Jarvis, the residence offers 5,187 square feet of interior living space and 7,107 total living square feet, with 4 bedrooms and 8 baths. The home blends modern ranch architecture with natural stone, reclaimed wood, and dramatic walls of glass that capture sweeping alpine vistas from every angle. Inside, craftsmanship and elegance define each room-custom millwork, soaring ceilings, curated Apparatus lighting, and advanced energy-efficient systems elevate the home's refined mountain style. The chef's kitchen and expansive great room are perfectly suited for both everyday comfort and sophisticated entertaining, featuring a La Cornue stove & premium appliances, custom French limestone fireplace, and effortless transitions to outdoor living areas. The main-level primary suite offers a peaceful retreat with spa-like amenities and uninterrupted mountain views. Beyond the residence, the estate's amenities set a new standard for luxury rural living. The state-of-the-art equestrian barn includes an office, tack room, feed room, and an upper-level gym, designed with the same meticulous attention to detail as the main home. The property also features a riding arena, fully fenced pastures, stocked ponds, and multiple outbuildings including a shop, loafing sheds, and additional storage. The outdoors unfold like a private nature preserve, with irrigated lawns, mature aspen groves, meandering trails, and direct access to surrounding BLM landoffering endless opportunities for riding, hiking, and exploration. With nearly 260 acres, valuable water rights, and unmatched access to Idaho's mountain wilderness, Rockin' B Ranch stands as an unparalleled sanctuaryan estate of true luxury, legacy, and limitless possibility in the heart of Sun Valley.