Silicon Valley Hilltop Estate. A Tech Titans Family-Inspired Domain A rare, secluded 13+ acre view property with rolling hills overlooking San Francisco Bay and the coastal mountains with expansive country club amenities in the heart of Silicon Valley. The unrivaled state-of-the-art athletic facilities include indoor basketball court and a ice hockey pavilion, a three hole golf course with two putting greens. This estate delivers the goal of creating an exceptional home designed for todays active, modern family in the Palo Alto school district. In desirable Portola Valley and ideally positioned next to Palo Alto only five minutes to Sand Hill Road, the financial epicenter of Silicon Valley, and less than an hour to San Francisco and San Jose.