Highest Slope Rating

Hardest Golf Courses in McHenry County, Illinois

The 19 most challenging golf courses in McHenry County, Illinois, ranked by maximum slope rating. Tee-by-tee yardage, slope, and course rating for every course.

Hardest Easiest Longest

#	Course	City	Par	Slope
1	Bull Valley Golf Club Black tees · 7,325 yds · Rating 77.2 · Par 72Woodstock	Woodstock	72	151
2	Oak Grove Golf Course Professional tees · 7,021 yds · Rating 75.2 · Par 71Harvard	Harvard	71	144
3	Foxford Hills Golf Course Black tees · 7,047 yds · Rating 74.6 · Par 72Cary	Cary	72	142
4	Crystal Lake Country Club White tees · 6,393 yds · Rating 77.6 · Par 71 · PrivateCrystal Lake	Crystal Lake	71	142
5	Golf Club of Illinois Black tees · 7,011 yds · Rating 74.6 · Par 71Algonquin	Algonquin	71	139
6	Blackstone Golf Club Black tees · 6,734 yds · Rating 73.1 · Par 72Marengo	Marengo	72	139
7	Crystal Highlands Blue tees · 6,378 yds · Rating 71.2 · Par 72Lake In The Hills	Lake In The Hills	72	137
8	Boulder Ridge Country Club Black tees · 6,977 yds · Rating 73.6 · Par 72Lake in the Hills	Lake in the Hills	72	136
9	RedTail Golf Club Black tees · 6,824 yds · Rating 73.0 · Par 72Village of Lakewood	Village of Lakewood	72	136
10	McHenry Country Club Blue tees · 6,638 yds · Rating 72.5 · Par 71McHenry	McHenry	71	134
11	Terrace Hill Golf Course Black tees · 6,593 yds · Rating 71.8 · Par 71 · PrivateAlgonquin	Algonquin	71	134
12	Prairie Isle Golf Club Blue tees · 6,589 yds · Rating 72.1 · Par 72Prairie Grove	Prairie Grove	72	133
13	Crystal Woods Golf Club White tees · 6,135 yds · Rating 75.6 · Par 72Woodstock	Woodstock	72	133
14	Cary Country Club White tees · 6,160 yds · Rating 75.5 · Par 72Cary	Cary	72	132
15	Marengo Ridge Golf & Country Club Blue tees · 6,654 yds · Rating 72.3 · Par 72Marengo	Marengo	72	131
16	Woodstock Golf Club White - Black tees · 5,429 yds · Rating 72.9 · Par 70Bull Valley	Bull Valley	70	126
17	Boone Creek Golf Course White tees · 5,608 yds · Rating 72.2 · Par 71Bull Valley	Bull Valley	71	123
18	Craig Woods Golf Club White tees · 4,448 yds · Rating 65.8 · Par 68Lakewood	Lakewood	68	115
19	Turnberry Golf Club Black tees · 3,362 yds · Rating 59.5 · Par 57Lakewood	Lakewood	57	102

McHenry County Golf Course Rankings FAQ

What is the hardest golf course in McHenry County, Illinois?

Bull Valley Golf Club in Woodstock is currently the hardest golf course in McHenry County based on slope (slope rating 151).

How many ranked golf courses are in McHenry County, Illinois?

24 golf courses in McHenry County are cataloged in Stymie's directory. This ranking page shows the top 19 by slope.

How are the rankings calculated?

Rankings use the USGA slope rating from each course's most difficult tee set. Slope measures relative difficulty for a bogey golfer versus a scratch golfer, on a scale from 55 (easiest) to 155 (most challenging). A slope of 113 is average.

Can I book a tee time at these McHenry County courses?

Each course name links to its Stymie page with scorecard data where available, architect info, and official contact details. Stymie does not currently book tee times or show live availability, and tee-time alerts are in development.