Valley at Castlewood Country Club

Castlewood Country Club's Valley Course sits in Pleasanton, California, in the Tri-Valley region east of the San Francisco Bay Area. William P. Bell designed the course, which opened in the mid-20th century during Bell's prolific period of California golf course architecture. Bell, who worked extensively throughout California and the western United States, typically routed courses that worked with natural terrain rather than imposing dramatic earthmoving, a characteristic evident in many of his designs from this era.

The Valley Course occupies rolling terrain characteristic of the Pleasanton area, where the layout moves through gentle elevation changes and mature tree-lined corridors. The routing takes advantage of the property's natural contours, with holes that play across and along the slopes. Oak trees and other native vegetation frame many holes, creating definition and strategic interest. The course serves as one of two eighteen-hole layouts at Castlewood, with the Valley generally considered the more traditional and accessible of the pair.

Castlewood operates as a private country club with full amenities including dining facilities and social programming typical of established California clubs. The membership draws from the surrounding Tri-Valley communities, and the club maintains both golf courses along with tennis and other recreational facilities. The Valley Course provides a straightforward test of golf that reflects Bell's design principles of playability and strategic variety within the natural landscape.