Ski Run Ratings
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Arapahoe Basin

169 measured runs, ranked by our calibrated difficulty score (0 to 100), comparable across every resort.

Runs
169
Total skiable vertical
25700 m
Avg calibrated difficulty
71/100
Longest run
Hardest run
Jet Chute · 99/100
Easiest run
Lynx Lane · 14/100

5 green · 35 blue · 56 black · 36 double black

Aspect: 25 face south (more sun, warmer and softer snow), and 108 face north (shadier, colder, holds snow better).

Treeline: 88 above the treeline (more exposed, weather-dependent), 23 below it (more sheltered), 58 crossing it.

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All runs

169 runs at Arapahoe Basin, ranked by calibrated difficulty
RunCalibrated ▼Max / MeanRated
Jet Chute BC99 ◆◆48° / 40.6°—
South Falls BC98 ◆◆47.1° / 39.6°—
North Falls BC98 ◆◆46.3° / 39.5°—
TJ's Cornice BC97 ◆◆44.4° / 36.7°—
Sex Favors BC97 ◆◆43.3° / 38°—
North Pole Coulair BC97 ◆◆43° / 38.3°—
Birthday Chute BC97 ◆◆43.9° / 36.8°—
The Humbugs BC96 ◆◆40.3° / 38.1°—
South Y Chute BC96 ◆◆40.7° / 37.1°—
Hidden Chute BC96 ◆◆42.2° / 37.7°—
Hershey Highway BC96 ◆◆41.9° / 36.8°—
4th Tree Chute BC96 ◆◆41.5° / 35.6°—
3rd Tree Chute BC96 ◆◆42.1° / 35.3°—
West Vertical BC95 ◆◆38.8° / 36.9°—
Steep Gully 3 BC95 ◆◆44° / 32°—
Snorkel Nose BC95 ◆◆39.5° / 36.1°—
Middle Y Chute BC95 ◆◆39.4° / 37.6°—
Booger Snot BC95 ◆◆39.7° / 38°—
5th Tree Chute BC95 ◆◆40.6° / 35.6°—
2nd Notch BC95 ◆◆41.1° / 34.5°—
1st Notch BC95 ◆◆39.9° / 35.4°—
Steep Gully 5 BC94 ◆◆40.7° / 33.1°—
Steep Gully 2 BC94 ◆◆41.9° / 32.8°—
East Vertical BC94 ◆◆39.2° / 35.3°—
Corner Chute BC94 ◆◆39.4° / 34.7°—
6th Tree Chute BC94 ◆◆38.2° / 34.8°—
2nd Tree Chute BC94 ◆◆40.3° / 33.3°—
Steep Gully 4 BC93 ◆◆40° / 33.3°—
Steep Gully 1 BC93 ◆◆40.6° / 32.3°—
North Y Chute BC93 ◆◆39.5° / 33.4°—
North Pole BC93 ◆◆38° / 34.2°—
Narrow North Pole BC93 ◆◆37.7° / 34°—
Booger Ramp BC93 ◆◆37.9° / 34.5°—
West Turbo ◆◆ BC92 ◆◆38.4° / 32°—
8th Tree Chute BC92 ◆◆39.6° / 32.2°—
7th Tree Chute BC92 ◆◆37.6° / 33.5°—
3rd Alley ◆◆91 ◆◆38.5° / 31.3°—
Turbo ◆◆ BC90 ◆◆38.7° / 28.8°—
South Chute ◆90 ◆◆35.2° / 31.3°—
Janitors Only ◆◆90 ◆◆41.1° / 28°—
4th Alley ◆◆90 ◆◆38.4° / 29°—
1st Tree Chute BC90 ◆◆37.8° / 30.6°—
Timber Glades ◆◆ BC88 ◆◆34.5° / 30.2°—
Pali Face ◆◆88 ◆◆35.7° / 29.3°—
My Chute ◆◆88 ◆◆35.6° / 28.8°—
David's Run ◆◆88 ◆◆34.3° / 30.5°—
The Spine ◆◆86 ◆◆34.2° / 28.3°—
North Glade ◆◆86 ◆◆33.1° / 29.7°—
North Chute ◆86 ◆◆32.5° / 30.6°—
Max ◆◆86 ◆◆34.4° / 28.1°—
2nd Alley ◆◆86 ◆◆33.2° / 29.6°—
Rock Garden ◆◆85 ◆◆35° / 25.6°—
Groswold ◆◆85 ◆◆35.2° / 25.7°—
Gauthier84 ◆◆41.8° / 21.4°—
Thick & Thin ◆83 ◆◆31.6° / 28.4°—
Schauffler ◆◆83 ◆◆35.2° / 23.9°—
Pali Main Street ◆◆81 ◆◆31.1° / 26.9°—
End Zone ◆◆81 ◆◆35.9° / 21.8°—
East Avenue ◆◆81 ◆◆31.3° / 26.4°—
The Cellar ◆◆79 ◆32.6° / 23.2°—
Roller Coaster ◆◆79 ◆32° / 24°—
Jump ◆◆79 ◆35.5° / 20.5°—
East Woods ◆79 ◆30° / 26.4°—
Durrance ◆◆79 ◆33.8° / 22.1°—
Bear Trap ◆◆79 ◆31.1° / 25.3°—
13 Cornices ◆◆79 ◆30.3° / 25.8°—
Standard ◆78 ◆33.2° / 21.5°—
Porcupine ◆78 ◆32.7° / 22.1°—
Faculty Club ◆ BC78 ◆32.9° / 21.9°—
Bailey Brothers ◆78 ◆32.3° / 22.6°—
Winning Card ◆76 ◆31.3° / 21.9°—
Challenger ◆76 ◆30.4° / 23.5°—
Jetta ◆75 ◆30.2° / 22.3°—
Face Shot Gully ◆75 ◆29° / 24.1°—
Black Bear ◆75 ◆28.7° / 23.9°—
Bald Spot ◆◆ BC75 ◆35° / 17.2°—
No Name ◆74 ◆30.2° / 21.1°—
Drummond ◆74 ◆29.7° / 21.9°—
Digger ◆74 ◆28.4° / 24°—
Crags ◆◆ BC74 ◆31.7° / 19.9°—
Castor ◆74 ◆30.5° / 20.8°—
Bighorn ◆74 ◆30.1° / 21.3°—
Slalom Slope ◆73 ◆31.5° / 19.1°—
Pioneer Willy ◆73 ◆28.3° / 22.8°—
Nose ◆73 ◆29.8° / 21°—
Log Roll ◆73 ◆34.2° / 16°—
Jaeger ◆73 ◆29.2° / 21.4°—
International ◆◆73 ◆29.2° / 22.2°—
Alex ◆73 ◆27.9° / 23.1°—
Radical ◆72 ◆29.5° / 20.8°—
Marmot ◆71 ◆27.5° / 22°—
Long Chute ◆71 ◆28.3° / 21.4°—
Glockenspiel Glade ◆71 ◆28.9° / 20.7°—
Beaver Bowl ◆71 ◆29.2° / 19.9°—
West Wall ■70 ◆28.6° / 19.6°—
King Cornice ■70 ◆28.4° / 19.7°—
Wildcat ◆69 ◆27.3° / 20.5°—
Torreys ◆69 ◆29.4° / 18.3°—
Skudder ◆69 ◆27.7° / 20.3°—
Lenawee Parks ■69 ◆28.2° / 19.7°—
Falcon ◆69 ◆29.9° / 17.7°—
Gentry ■68 ◆27.8° / 19.4°—
Exhibition ◆68 ◆28.9° / 18.2°—
Bierstadt ◆68 ◆28.1° / 18.9°—
Todd's Ridge ◆67 ◆27.3° / 19°—
Hauk ◆67 ◆25.9° / 21.3°—
Knolls ■66 ◆27.1° / 18.9°—
Jamie's Face ■66 ◆30° / 15.1°—
Dreamcatcher ◆66 ◆26.1° / 20°—
Christmas Trees ◆◆66 ◆26.1° / 20°—
Tinker Toy ◆65 ◆26° / 20°—
Powder Keg ◆65 ◆29.5° / 14.3°—
Elk Meadows ■65 ◆26.9° / 17.7°—
Davos Glade ◆65 ◆26.4° / 19°—
Northern Spy ◆64 ■25.5° / 19.8°—
Elephant's Trunk ◆◆64 ■29.2° / 14°—
Tieze's Claim ◆63 ■27° / 16.6°—
Land of the Giants ◆◆ BC63 ■30.3° / 11.9°—
Grays ◆62 ■26.2° / 16.9°—
Davis ■62 ■27.5° / 14.8°—
Norway Face ■61 ■24.6° / 18.4°—
Half Moon Glades ◆61 ■25.8° / 16.6°—
Gentling ■61 ■27.9° / 13.4°—
Peaceful Valley ◆60 ■26.2° / 14.6°—
Lower East Wall ◆◆ BC59 ■28.3° / 10.9°—
Loafer ■59 ■25.9° / 15°—
Montezuma's Revenge ◆58 ■25° / 14.9°—
Dragon ■58 ■26.2° / 13°—
Cabin Glades ■58 ■23.9° / 17.1°—
Powerline ■57 ■22.6° / 18.8°—
East Wall Traverse ◆◆57 ■29.2° / 7.4°—
The Gulch ◆56 ■22.5° / 18.1°—
Lightning Trees ◆◆ BC56 ■22.5° / 17.4°—
Ptarmigan ◆55 ■21.9° / 17.5°—
Norway Mountain Run ■55 ■22.6° / 16.9°—
West Gullly ■54 ■25° / 11.5°—
Pali Cornice ◆◆54 ■21.8° / 17.5°—
Ned's Cache ■54 ■22.1° / 17°—
Cooper ■54 ■23.9° / 13.9°—
Placer Junction ◆53 ■23.5° / 13.3°—
Shining Light ■52 ■21.8° / 15.3°—
Independence ■51 ■22.7° / 13.3°—
East Gully ■51 ■23.4° / 11.7°—
Ramrod ■50 ■21° / 15.7°—
Eureka ◆49 ■22.5° / 11.6°—
Lenawee Face ■48 ■20.2° / 15.2°—
Mountain Goat Traverse ◆45 ■21.1° / 10.4°—
Miner's Glade ■44 ■20.9° / 10.5°—
Humbug ■44 ■20.1° / 11.9°—
High Noon ■44 ■19.7° / 12.7°—
Grizzly Road ■42 ■18.9° / 12°—
Sundance ●40 ■18.3° / 12.1°—
Lightning Traverse ◆39 ●19.6° / 8°—
Last Waltz ◆39 ●19.6° / 7.5°—
Noth Fork ■37 ●15.9° / 13.5°—
Cornice Run ■36 ●17.9° / 8.8°—
Pali Wog ◆35 ●17.3° / 8.2°—
Mountain Goat Alley ■35 ●16.2° / 11.1°—
Dercum's Gulch ■32 ●15.5° / 9.9°—
TB Glade ■31 ●15.5° / 8.4°—
Wrangler ●30 ●14.8° / 9.5°—
Grand Portage ◆30 ●15.9° / 6.7°—
Zuma Cornice ◆◆23 ●12.6° / 6.5°—
Chisolm Trail ●22 ●12.8° / 4.6°—
Molly Hogan ●20 ●10.5° / 8.3°—
The Landing Strip ●19 ●10.4° / 6.7°—
Moose Hollow ■17 ●9.6° / 6.6°—
Weasel Way ■16 ●8.4° / 7.2°—
Lynx Lane ■14 ●7.9° / 5.8°—