Hardest golf courses on record in Colorado

The 50 hardest golf courses on record in Colorado carry slope ratings from 154 at Sanctuary in Castle Pines Village to 135. They are ranked from the 107 Colorado courses with a reliable published slope rating — 48% of the 221 listed here; the median slope across that group is 135. The rest carry no published slope rating, so a harder course may not appear on this list.

1. 1 Sanctuary Castle Pines Village Private 154 slope Par 72 · 73.4 rating · 7,028 yds
2. 2 Lakota Links Golf Course New Castle Public 154 slope Par 72 · 73.0 rating · 7,003 yds
3. 3 Colorado Golf Club Parker Private 152 slope Par 72 · 76.5 rating · 7,571 yds
4. 4 The Club at Flying Horse Gleneagle Private 149 slope Par 72 · 74.4 rating · 7,318 yds
5. 5 Castle Pines Golf Club Castle Rock Private 148 slope Par 72 · 78.1 rating · 7,771 yds
6. 6 Bear Creek Golf Club Lakewood Private 148 slope Par 72 · 75.2 rating · 7,304 yds
7. 7 Meridian Golf Club Meridian Private 147 slope Par 72 · 74.8 rating · 7,310 yds
8. 8 Plum Creek Golf Club Castle Rock Public 147 slope Par 72 · 73.7 rating · 7,044 yds
9. 9 Breckenridge Golf Club Breckenridge 146 slope 73.3 rating · 7,258 yds
10. 10 Colorado National Golf Club Erie Public 145 slope Par 72 · 75.8 rating · 7,567 yds
11. 11 Cherry Hills Country Club Cherry Hills Village 145 slope 75.5 rating · 7,316 yds
12. 12 Saddle Rock Golf Course Aurora Public 145 slope Par 72 · 74.6 rating · 7,292 yds
13. 13 Antler Creek Golf Course Peyton Public 144 slope Par 72 · 78.1 rating · 8,063 yds
14. 14 Harmony Club Timnath Private 144 slope Par 72 · 74.1 rating · 7,323 yds
15. 15 The Club at Rolling Hills Applewood 144 slope 74.1 rating · 7,064 yds
16. 16 Red Rocks Country Club Morrison Private 144 slope Par 71 · 73.4 rating · 6,936 yds
17. 17 Beaver Creek Golf Club Avon 144 slope 72.0 rating · 6,642 yds
18. 18 The Club at Pradera Parker Private 143 slope Par 72 · 73.6 rating · 7,127 yds
19. 19 Maroon Creek Club Aspen 143 slope 72.2 rating · 6,957 yds
20. 20 The Ranch Country Club Westminster Private 143 slope Par 71 · 71.6 rating · 6,671 yds
21. 21 Ptarmigan Country Club Fort Collins Private 142 slope Par 72 · 73.3 rating · 7,095 yds
22. 22 Lakewood Country Club Edgewater Private 142 slope Par 71 · 72.9 rating · 6,752 yds
23. 23 The Fox Hill Club Longmont Private 142 slope Par 70 · 72.9 rating · 6,939 yds
24. 24 The Ridge at Castle Pines Castle Pines 142 slope 72.8 rating · 6,915 yds
25. 25 Cherry Creek Country Club Four Square Mile 141 slope 74.8 rating · 7,329 yds
26. 26 Green Valley Ranch Golf Club Aetna Estates Public 141 slope Par 72 · 73.4 rating · 7,084 yds
27. 27 Lone Tree Golf Club Acres Green Public 141 slope Par 72 · 72.8 rating · 6,993 yds
28. 28 Roaring Fork Club Basalt Private 141 slope Par 72 · 72.8 rating · 6,991 yds
29. 29 Fossil Trace Golf Club Golden Public 141 slope Par 72 · 72.0 rating · 6,812 yds
30. 30 Snowmass Club Snowmass Village Public 141 slope Par 72 · 71.7 rating · 6,900 yds
31. 31 Murphy Creek Golf Course Aurora Public 140 slope Par 72 · 74.7 rating · 7,494 yds
32. 32 Shining Mountain Golf Club Woodland Park Public 140 slope Par 70 · 70.6 rating · 6,465 yds
33. 33 Buffalo Run Golf Course Commerce City Public 139 slope Par 72 · 74.7 rating · 7,390 yds
34. 34 Four Mile Ranch Golf Club Cañon City Public 139 slope Par 72 · 72.1 rating · 6,951 yds
35. 35 Arrowhead Golf Club Littleton 139 slope 72.0 rating · 6,636 yds
36. 36 Golf Club at Fox Acres Red Feather Lakes Public 139 slope Par 71 · 71.4 rating · 6,447 yds
37. 37 TPC Colorado Berthoud Public 138 slope Par 72 · 77.2 rating · 7,991 yds
38. 38 Legacy Ridge Westminster Public 138 slope Par 72 · 73.1 rating · 7,025 yds
39. 39 Heritage Eagle Bend Golf Club Aurora Public 138 slope Par 72 · 72.6 rating · 6,942 yds
40. 40 Walking Stick Golf Course Pueblo Public 137 slope Par 72 · 73.6 rating · 7,093 yds
41. 41 Coal Creek Golf Course Louisville Public 137 slope Par 72 · 72.7 rating · 6,962 yds
42. 42 The Pinery Country Club Parker 137 slope 71.8 rating · 6,788 yds
43. 43 Keystone River Course Dillon Public 137 slope Par 71 · 71.1 rating · 6,756 yds
44. 44 Dalton Ranch Golf Club Durango Public 136 slope Par 72 · 74.2 rating · 6,905 yds
45. 45 Fort Collins Country Club Fort Collins Private 136 slope Par 71 · 73.5 rating · 7,049 yds
46. 46 Deer Creek Golf Club Ken Caryl Public 136 slope Par 72 · 73.0 rating · 7,040 yds
47. 47 Grand Elk Golf Club Granby Public 136 slope Par 71 · 72.1 rating · 6,923 yds
48. 48 Broken Tee Golf Course Englewood Public 136 slope 72.0 rating · 6,797 yds
49. 49 Lake Valley Golf Club Niwot Private 136 slope Par 70 · 71.9 rating · 6,796 yds
50. 50 Ute Creek Golf Course Longmont Public 135 slope Par 72 · 73.6 rating · 7,198 yds