Priced out of Trailhead, Mapleton Hill, or Newlands but unwilling to compromise on the Northwest Boulder lifestyle? This may be the opportunity you've been waiting for.Many Boulder homes proudly back to open space. Few deliver the complete lifestyle found here.At 3945 Promontory, your front door opens to the best of Wonderland Hill living: the neighborhood's beloved private swim and tennis club, Wonderland Lake, miles of trails, and one of Boulder's most active and sought-after communities. Out the back door, the world changes completely. Bordering the City of Boulder's permanent greenbelt, the property opens to a vast expanse of protected open space that feels less like a backyard and more like thousands of acres of your own private preserve. This artistic, European-inspired contemporary is designed for buyers who value lifestyle over perfection and understand that finishes can be changed, but locations like this are nearly impossible to recreate. The flexible floorplan offers exceptional opportunities for today's active Boulder buyer. A private-entry ADU can provide income, accommodate extended family, or create independent guest quarters. An attached studio adjacent to the oversized garage is ideal as a home office, fitness space, art studio, entrepreneurial headquarters. Multiple decks/ patios, mature trees, curated gardens, a firepit, hot tub create an outdoor environment. This is not a home designed for people slowing down. Designed for building something-families, professionals, entrepreneurs, creatives, outdoor enthusiasts who want to live Boulder's most coveted neighborhoods while creating value through thoughtful updates over time. Why compete for a fully remodeled home when you can secure one of Northwest Boulder's most remarkable settings and make it distinctly your own?Wonderland Lake, private swim and tennis amenities, walkable schools, Lucky's Market, downtown Boulder, open space are all part of everyday life here. Live. Create. Explore. Earn.