Nestled at the base of Boulder’s iconic Flatirons, 770 Circle Drive occupies one of the city’s most extraordinary residential settings. Behind private gates, this exceptionally secluded 1.29-acre estate commands spectacular 360-degree vistas spanning the Flatirons, Chautauqua, downtown Boulder, Folsom Field and the Boulder Valley beyond. Step outside to hundreds of miles of protected open space and celebrated trails for hiking, running and year-round adventure, while Pearl Street’s acclaimed restaurants, boutiques and cultural attractions remain an easy walk away. Few properties offer such a remarkable balance of privacy, natural beauty and urban accessibility. Spanning 8,066 finished square feet, the residence was designed to embrace its breathtaking surroundings. Soaring ceilings and dramatic walls of glass fill the interiors with natural light and frame unforgettable views. Expansive living and dining rooms, a generous kitchen and inviting family room flow to multiple terraces and outdoor living spaces, creating an exceptional setting for everyday living and entertaining. The primary suite is a private retreat with a curved wall of glass, fireplace, sitting area, spa-inspired bath and panoramic mountain vistas. Above, an expansive rooftop terrace offers an extraordinary vantage point over the Flatirons, Chautauqua, downtown Boulder and surrounding valley. A fully equipped private apartment with its own kitchen, living area, bedroom and bath offers flexibility for multigenerational living, extended-stay guests, an au pair, caregiver or executive office. Originally built in 1941 and thoughtfully expanded over time, the residence blends architectural character with generous scale and the opportunity to enjoy as-is or personalize over time. 770 Circle Drive is a rare Boulder estate where exceptional privacy, iconic scenery, outdoor recreation and walkable urban living converge.