Rocking B Ranch is a breathtaking, nearly 260-acre legacy estate nestled along the tranquil East Fork River. Masterfully designed by Janet Jarvis, the property boasts a sophisticated 5,187 sq ft home, luxury equestrian barn, stocked ponds, lush pastures, mature aspen groves, abundant wildlife, and unmatched privacy—truly an exceptional mountain sanctuary. The residence features four en suite bedrooms, two powder rooms, and is anchored by a stunning French limestone fireplace. Every detail has been curated for discerning taste: reclaimed wide-plank wood flooring, clay-wash plaster walls, oak-clad structural beams, and bespoke cabinetry. Lighting is elevated to an art form, featuring sculptural fixtures by Apparatus and exquisite Murano glass chandeliers, all seamlessly integrated with state-of-the-art Lutron home automation. The chef's kitchen is a culinary masterpiece anchored by a grand Lacanche range, dual Miele dishwashers, Sub-Zero refrigeration, two prep sinks, and opulent four-inch marble countertopsa refined space ideal for intimate gatherings and sophisticated entertaining. Beyond the main residence, a fully heated barn offers four custom stalls, tack and feed rooms, a stylish office with a pass-through window for horses, a half bath, and heated equipment storage and hay room. The barn's second level features a versatile 1,200 sq ft gym with a full bath, perfect for workouts, yoga sessions, or private guest quarters. The property unfolds outdoors into extensive river frontage, spring-fed stocked pondsincluding a serene koi water feature off the home's back deckfenced pastures, an equestrian arena, and mature aspen and willow groves attracting abundant native wildlife. Privately accessed via a newly installed gated entry and steeped in rich heritage as Steve McQueen's former ranch, Rocking B Ranch offers a rare blend of seclusion, timeless luxury, and authentic mountain elegancean unparalleled sanctuary for the sophisticated buyer.