Deer Valley Golf Course is a 27-hole public golf course located in Barneveld, Wisconsin, featuring three unique 9-hole courses: The Ridge Course, Prairie Course, and Valley Course. The course is nestled on 270 acres of rolling terrain, framed by Blue Mounds State Park and natural prairies.deer- Valley offers a blend of links style golf, rolling terrain, and elevation changes, giving golfers a challenging and exciting experience. From par 3s to par 5s, the course features a variety of holes that will test a golfer's skills. With its beautiful views and challenging play, Deer Valley Golf Course is one of southern Wisconsin's most beautiful and challenging golf courses.