A rare opportunity to own one of Colorado's most scenic gentleman's ranches with panoramic mountain views. Just minutes from downtown Niwot and Boulder, this secluded yet central 8.8-acre estate offers 360 mountain views from Pikes Peak to Longs Peak, the Flatirons, and Boulder's city lights. Original design by renowned solar architect Richard Crowther and reimagined from 2017-2022, Haystack House is a masterclass in sustainable luxury, modern design, and timeless craftsmanship. The residence blends passive solar architecture with hydronic heated floors, Kolbe commercial-grade windows, and solar energy for year-round efficiency. Property highlights include a one-acre stocked pond with island, fire pit, footbridges, dock, and water rights - this property has an irrigation system fed by 45 total water shares (20 Left Hand + 25 New Table Mountain). A custom 1,200-SF Morton Barn with 28-foot ceilings, heated slab, kitchenette, workshop, and solar panels - ideal for hobbies, artists, or future ADU/equestrian conversion. Inside, the chef's kitchen features custom cabinetry, Thermador appliances, Lefroy Brooks fixtures, and dual dishwashers. Multiple living and guest suites with spa-like baths and private entries create flexible options for multi-generational living or Airbnb potential. The lower level includes a gym, steam shower, lounge, kitchenette, and vineyard-facing patio. Details include 23' cedar-beamed ceilings, Beetle Kill Pine floors - reflect thoughtful craftsmanship throughout with room to grow. Outdoors, enjoy chicken coops, gardens, vineyard, asparagus field, and a dog run for a self-sustaining lifestyle. Surrounded by organic farms and open space, this property offers serenity, privacy, and starry skies just minutes from Boulder's creative scene - an inspiring retreat for collectors, visionaries, and future members of the Sundance Film Festival community seeking a cinematic Colorado backdrop. Don't miss this opportunity for valuable land and water rights.