Ruby Hill Golf Club occupies rolling terrain in Pleasanton's eastern hills, roughly 35 miles east of San Francisco in the Tri-Valley region of the East Bay. Jack Nicklaus designed the course, which opened in the late 1990s as part of a residential development. The layout takes advantage of natural elevation changes and views across the valley toward Mount Diablo and the surrounding ridgelines, characteristics typical of courses built into California's coastal range foothills. The routing works through varied topography, with several holes playing along ridges and others descending into draws and valleys. Nicklaus incorporated strategic bunkering and contoured greens that reward accurate approach play, consistent with his design philosophy emphasizing shot values and risk-reward decision-making. The property's native grasses and oak trees frame many holes, and the course generally plays firm and fast during California's dry season. Ruby Hill operates as a private club serving the Pleasanton residential community and surrounding area. The facility includes practice areas and clubhouse amenities typical of modern residential golf developments in Northern California. The course hosts member events and has served as a venue for regional amateur competitions, though it has not been a site for professional tour events or major championships.