The 18-hole "Green Mountain National" course at the Green Mountain National facility in Killington, Vermont features 6589 yards of golf from the longest tees for a par of 71. The course rating is 72.1 and it has a slope rating of 138. The estimated green fees for 18 holes is $139. Green Mountain National Golf Club has an onsite driving range with 6 practice tees. Designed by Gene Bates/Steve Durkee, the Green Mountain National golf course opened in 1996.