The 18-hole "Eagle Rock" course at the Eagle Rock Golf Club facility in Defiance, Ohio features 6058 yards of golf from the longest tees for a par of 71. The course rating is 68.9 and it has a slope rating of 115. The estimated green fees for 18 holes is $43. Eagle Rock Golf Club Golf Club has an onsite driving range with 4 practice tees. Designed by Tom Bendelow, the Eagle Rock golf course opened in 1920.