Hidden Valley Lake Golf & Country Club sits in Lake County, California, roughly 90 miles north of San Francisco in the Mayacamas Mountains. Designed by William Francis Bell and opened in the mid-1960s, the course serves as the centerpiece of a private residential community that developed around the man-made Hidden Valley Lake. Bell, a prolific California architect who designed more than 100 courses across the western United States, created a layout that works with the area's rolling terrain and oak-studded hillsides. The course plays through a mix of elevation changes and natural vegetation typical of Northern California's interior valleys. Oak trees frame many holes, and the routing takes advantage of views across the lake and surrounding mountains. The design reflects Bell's practical approach to golf architecture during an era of significant residential course development in California, balancing playability for a range of skill levels with strategic interest created by the property's natural movement. As a private club within a gated community, Hidden Valley Lake serves primarily local residents and their guests. The facility includes typical country club amenities and operates year-round, benefiting from Lake County's inland climate. The course represents one of several Bell designs in Northern California from the same period, part of the broader expansion of golf in the region during the 1960s and 1970s when residential golf communities became increasingly popular throughout the state.