The 18-hole Blue Mash course at the Blue Mash Golf Course facility in Gaithersburg, Maryland features 6,858 yards of golf from the longest tees for a par of 71. The course rating is 73.3 and it has a slope rating of 133 on Bent grass. Designed by Joseph L. Lee/Arthur Hills, ASGCA, the Blue Mash golf course opened in 2001. Bart Fox manages the course as the Golf Professional.