The 25 Hardest Golf Courses in America by Slope Rating

We pulled USGA slope ratings for every rated golf course in the US and ranked them. The results skew toward resort courses and major-championship venues, with a few private surprises.

Why slope rating matters

Slope rating is the USGA's measure of relative difficulty for a bogey golfer versus a scratch golfer, on a scale from 55 (easiest) to 155 (hardest). A slope of 113 is average. Anything above 140 is serious. Above 150 is punishing.

The 25 hardest US golf courses by slope rating

1. #1 — Seven Canyons (Sedona, AZ) — slope 155
2. #2 — Sanctuary (Castle Pines, CO) — slope 155
3. #3 — The International (Bolton, MA) — slope 155
4. #4 — Pine Valley Golf Club (Pine Valley, NJ) — slope 155
5. #5 — Trump National Golf Club Philadelphia (Pine Hill, NJ) — slope 155
6. #6 — Club At Crested Butte (Crested Butte, CO) — slope 155
7. #7 — Commonwealth National Golf Club (Horsham Township, NJ) — slope 155
8. #8 — Ballyhack Golf Club (Roanoke, VA) — slope 155
9. #9 — Briarwood Golf Club (Caledonia, MI) — slope 155
10. #10 — Dallas National Golf Club (Dallas, TX) — slope 155
11. #11 — Butler National Golf Club (Oak Brook, IL) — slope 155
12. #12 — Pikewood National Golf Club (Morgantown, WV) — slope 155
13. #13 — Olde Stone Golf Course (Bowling Green, KY) — slope 155
14. #14 — TPC Sawgrass (Ponte Vedra Beach, FL) — slope 155
15. #15 — Whispering Pines Golf Club (Pinckney, MI) — slope 155
16. #16 — Trump International Golf Club (Palm Springs, FL) — slope 155
17. #17 — Blessings Golf Club (Johnson, AR) — slope 155
18. #18 — Boston Golf Club (Hingham, MA) — slope 155
19. #19 — The Kittansett Club (Marion, MA) — slope 155
20. #20 — Stock Farm Club (Missoula, ID) — slope 155
21. #21 — The Honors Course (Ooltewah, TN) — slope 155
22. #22 — Golf Club at Briars Creek (John's Island, SC) — slope 155
23. #23 — Black Bull (Three Forks, ID) — slope 155
24. #24 — University of Texas Golf Club (Austin, TX) — slope 155
25. #25 — Pfau Indiana University Golf Course (Bloomington, IN) — slope 155

What this tells you

The hardest course on this list, Seven Canyons (Sedona, AZ), carries a slope of 155 — more than 30 points above average. A 10-handicap playing that tee shouldn't expect to shoot 10-over. Expect 15-18 over on a good day.

Most of the top 25 share a few traits: bentgrass greens running 11+, elevated greens you can't bump-and-run into, and carry-over hazards off the tee that force driver out of your hand. Slope captures the cumulative effect of those design choices.

Looking for something more beginner-friendly? Check the easiest courses by state or play the recommended tees for your distance.