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Hardest Golf Courses in Illinois

The 25 most challenging golf courses in Illinois, ranked by maximum slope rating.

#	Course	City	Par	Access	Slope
1	Butler National Golf ClubOak Brook#87 GD	Oak Brook	71	public	155
2	Rich Harvest Farms Golf CourseAurora	Aurora	72	public	155
3	Cottonwood Hills Golf ClubCuba	Cuba	72	semi_private	154
4	Cog Hill Golf & Country ClubOrland Park	Orland Park	72	public	153
5	Bull Valley Golf ClubWoodstock	Woodstock	72	public	151
6	Stonewall Orchard Golf ClubGrayslake	Grayslake	72	public	150
7	Canyata Golf ClubParis#86 GD	Paris	72	public	150
8	Ivanhoe ClubMundelein	Mundelein	72	public	148
9	White Deer Run Golf ClubVernon Hills	Vernon Hills	72	public	148
10	Country Lakes Golf ClubNaperville	Naperville	72	public	148
11	Ivanhoe ClubMundelein	Mundelein	72	public	148
12	Kemper Lakes Golf ClubKildeer	Kildeer	72	public	147
13	River Forest Country ClubBensenville	Bensenville	72	public	147
14	Seven Bridges Golf ClubWoodridge	Woodridge	72	public	147
15	Olympia Fields Country ClubOlympia Fields	Olympia Fields	72	public	147
16	Wynstone Golf ClubNorth Barrington	North Barrington	72	public	147
17	Mistwood Golf CourseRomeoville	Romeoville	72	public	147
18	Bellerive Country ClubTown and Country	Town and Country	72	public	146
19	St. Charles Country ClubSaint Charles	Saint Charles	72	private	146
20	Ruth Lake Country ClubClarendon Hills	Clarendon Hills	71	public	146
21	Butterfield Country ClubOak Brook	Oak Brook	70	public	146
22	Chicago Highlands ClubWestchester	Westchester	72	public	145
23	Prestwick Country ClubFrankfort	Frankfort	72	public	145
24	Royal MelbourneLong Grove	Long Grove	72	private	144
25	Oak Grove Golf CourseHarvard	Harvard	71	public	144