375 Kortum Canyon Road Perched atop Diamond Mountain on 13 private acres, this reimagined coastal modern residence offers exceptional privacy and panoramic views stretching across Calistoga's vineyards to Mount St. Helena and the Palisades. Recently redesigned, the four-level home spans approximately 4, 622 sq ft, with soaring ceilings, wide-plank oak floors, and a dramatic open living space anchored by a fireplace and temperature-controlled wine gallery. The kitchen is both sculptural and functional, appointed with a quartz waterfall island and Wolf, Sub-Zero, and Bosch appliances. The primary suite opens to a private balcony and features a spa-like bath and custom dressing room. Additional spaces include a media lounge with wet bar and large-format screen, along with a top-level guest suite positioned for sweeping, elevated views. Outdoor living is integral an architectural round pool and spa*, multiple dining terraces, and a fully equipped outdoor kitchen, all set within a landscape defined by scale, exposure, and uninterrupted sightlines. *Due to the open pool and unguarded edges, the property is best suited for tenants comfortable with a hillside environment. Not recommended for young children.