The 9-hole "Tree House" course at the Tree House Brewery & Golf Course facility in Tewksbury, Massachusetts features 2,688 yards of golf from the longest tees for a par of 33. The course rating is 32.3 and it has a slope rating of 112 on Bermuda grass. Designed by William S. Flynn/Howard C. Toomey, the Tree House golf course opened in 1998.