Keystone vs Copper Mountain
One calibrated, SNOTEL-backed look at snowfall, forecast accuracy, and access — so you know which to ski.
Keystone
CO · 12,408 ft
Copper Mountain
CO · 12,313 ft
Side-by-Side
| Metric | Keystone | Copper Mountain |
|---|---|---|
| Region | Colorado I-70 & Aspen CO | Colorado I-70 & Aspen CO |
| Summit elevation | 12,408 ft 9,280 ft base | 12,313 ft 9,712 ft base |
| NWS accuracy grade | A NWS underpredicts | A accurate |
| Calibrated season snowfall | 35" 26 storms | 33" 29 storms |
| Avg storm-day rate | 0.9"/day | 0.8"/day |
| Best storm | 66/100 Significant | 62/100 Major |
| Verified storms | 240 SNOTEL-verified | 308 SNOTEL-verified |
| Community reports | 234 TGR posts | 128 TGR posts |
| Nearest airport | DEN | DEN |
| Drive time | 1.5h 75 mi · DEN | 1.5h 75 mi · DEN |
| Access difficulty | Easy | Easy |
| Pass | Epic | Ikon |
Snowfall totals and NWS grades come from the same SNOTEL-verified data on each resort's own page. Blank or “pending” cells mean the data is still being verified — we never fill them with estimates.
The Verdict
Keystone and Copper Mountain earn the same NWS accuracy grade of A, based on SNOTEL-verified storms.
Keystone and Copper Mountain ran neck-and-neck this season — about 35" and 33" of calibrated snowfall respectively.
Both are a similar trip — roughly 1.5h from DEN.
Best for
Keystone — Epic pass holders who want calibrated numbers before booking.
Best for
Copper Mountain — Ikon pass holders who want calibrated numbers before booking.
Local Knowledge
TGR Community IntelKeystone
Arrive early to beat crowds; most visitors unfamiliar with Keystone terrain will ski tracked runs.
Copper Mountain
Fresh snow attracts crowds rapidly (tracked by 10:30am).
FAQ
Does Keystone or Copper Mountain get more snow?
Keystone and Copper Mountain ran neck-and-neck this season — about 35" and 33" of calibrated snowfall respectively.
Is Keystone or Copper Mountain easier to get to?
Both are a similar trip — roughly 1.5h from DEN.
Which has the more accurate snow forecast, Keystone or Copper Mountain?
Keystone and Copper Mountain earn the same NWS accuracy grade of A, based on SNOTEL-verified storms.
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