On one of the most coveted lots in Five Trees, this extraordinary mountain contemporary estate spans a full acre with commanding views over the Aspen valley. Perfectly positioned on the sunny side of Shadow Mountain, the residence captures extended sunsets and sweeping southwest views towards Aspen Highlands, the Willow Basin, Buttermilk, Basalt Mountain, and Red Mountain. Designed by Studio B Architects, the 7,378-square-foot main residence is a masterclass in seamless indoor-outdoor living. A dramatic floor-to-ceiling glass great room connects the gourmet kitchen to a vaulted living space, all framed by panoramic mountain views. The thoughtfully designed mid-level is anchored by a private primary suite, where floor-to-ceiling sliding glass walls open directly to the mountain views. An executive office and library also enjoy walk-out access to greenspace, while the primary suite and four additional walk-out guest suites are all thoughtfully positioned on this level. Accessible by both elevator and a gracious staircase, the layout creates an exceptionally functional floor plan, offering seamless indoor-outdoor living for family and guests.Outdoor living is equally spectacular, with a 750-square-foot heated terrace, lap pool, hot tub, and a beautifully appointed 628-square-foot guest house, all oriented west to capture Aspen's unforgettable sunsets.The lower level is designed for both entertaining and wellness, featuring a state-of-the-art theater, custom bar, a 1,300-bottle wine cellar with dedicated tasting room, and a fully outfitted fitness center.With ski-in/ski-out access to the private Aspen Highlands lift, exceptional architecture, and every luxury amenity integrated throughout, this is one of Aspen's premier mountain estates, where timeless design, privacy, and recreation come together in an extraordinary setting.