Stymie Research

Twenty U.S. Golf Courses Hit the 155 Slope Ceiling

Analysis by Stymie Research···7 min read

Data snapshot: Course and tee records analyzed August 12, 2026; access classifications corrected August 13, 2026

Editorial aerial view of a challenging golf hole with fairways, greens, bunkers, and water hazards
Editorial illustration—not a photograph of any course. The ranking evidence is the tee-level data below. Created with Higgsfield; art direction and selection by Stymie.

A list that calls one course No. 1 on slope alone is pretending the scale has more resolution than it does. It stops at 155—and 20 U.S. course records in our cleaned snapshot are already there.

20
U.S. course records tied at slope 155
155
the maximum possible slope rating
4
publicly accessible or resort courses in the tied set

The honest result is a tie

Slope rating answers a narrow question: how much more difficult is a set of tees for a bogey golfer than for a scratch golfer? It is not a universal difficulty score, and 155 is its ceiling. Once several tees hit that ceiling, slope cannot distinguish among them.

That is why the table below does not number the courses from one to 20. We sort the tied records by course rating relative to par only to add context. Course rating estimates the score a scratch golfer would be expected to shoot under normal conditions. It is useful alongside slope, but it measures something different.

Each access label links to the official club, membership, guest, or booking source used in the August 13 correction.

All qualifying U.S. course records at the 155 slope ceiling. Context sort: course rating minus par, descending.
CourseAccessTeeYardsParRatingSlopeRating vs. par
Pfau Indiana University Golf CourseINPublicTournament7,9087180.2155+9.2
Oak Tree NationalOKPrivateBlack7,5047179.2155+8.2
Blessings Golf ClubARPrivateBlack-M7,9257380.9155+7.9
Rich Harvest Farms Golf CourseILPrivateProfessional7,7157279.8155+7.8
Pikewood National Golf ClubWVPrivateBack7,6817279.7155+7.7
Maridoe Golf ClubTXPrivatePlates7,8547279.6155+7.6
Butler National Golf ClubILPrivateButler7,5237178.4155+7.4
Kiawah Island Golf Resort - The Ocean CourseSCResortChampionship7,8207279.1155+7.1
The Golf Club of New EnglandNHPrivateBlack7,6737279.0155+7.0
Trump National Golf Club PhiladelphiaNJPrivateBack7,1977076.6155+6.6
Bethpage BlackNYMunicipalBlue7,4657177.5155+6.5
The Honors CourseTNPrivateSilver7,6947278.3155+6.3
Muirfield Village Golf ClubOHPrivateMemorial7,5317277.3155+5.3
TPC SawgrassFLResortTPC7,2717276.8155+4.8
Ballyhack Golf ClubVAPrivateBig Lick7,2947276.3155+4.3
Trump International Golf ClubFLPrivateBlack7,2107276.3155+4.3
Kiawah Island Club - River CourseSCPrivateGold7,0687276.1155+4.1
LedgeRock Golf ClubPAPrivateRock7,2417276.0155+4.0
Musgrove Mill Golf ClubSCPrivateWalnut6,8637274.4155+2.4
Carolina Country ClubSCPrivateBlack6,9297273.5155+1.5

The most surprising line is in Indiana

The Tournament tees at Pfau Indiana University Golf Course pair the maximum 155 slope with a course rating of 80.2 against par 71. That 9.2-stroke gap is the largest in this tied set. It is a much more specific statement than “hardest course”: the record describes one set of tees, for defined scratch- and bogey-golfer reference points.

At the other end of the same 155 group, the Black tees at The Carolina Country Club show a 73.5 course rating against par 72. The shared slope does not mean the two tees have the same expected score for a scratch golfer. It means the relative jump in difficulty from scratch to bogey reference golfers reaches the top of the scale in both cases.

Only four of the 20 are publicly accessible

Pfau Indiana University Golf Course, Bethpage Black, the Ocean Course, and TPC Sawgrass are the public, municipal, or resort-access entries in this set. The other 16 are private clubs. Even at the four accessible courses, tournament tees may not be offered for ordinary daily play, so the table describes rating records rather than booking availability.

Use the underlying golf data

Explore course scorecards, ratings, rankings, and equipment specifications—then check the source before you play or buy.

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