The Rocky Mountains host over 2,400 marked ski trails across dozens of resorts spanning five U.S. states (Colorado, Wyoming, Montana, Idaho, New Mexico) and two Canadian provinces (British Columbia, Alberta)—the densest concentration of lift-served skiing in North America.
| State/Province | Key Resorts | Trails (approx.) |
|---|---|---|
| Colorado | Vail, Breckenridge, Keystone, Beaver Creek, Aspen/Snowmass, Steamboat, Telluride, Copper, Winter Park, Eldora, Loveland, A-Basin, Monarch, Wolf Creek, Silverton | ~1,000+ |
| Wyoming | Jackson Hole, Grand Targhee, Snow King | ~200 |
| Montana | Big Sky, Whitefish, Bridger Bowl, Red Lodge, Discovery, Great Divide | ~300 |
| Idaho | Sun Valley, Schweitzer, Bogus Basin, Tamarack, Brundage, Lookout Pass | ~250 |
| New Mexico | Taos, Ski Santa Fe, Angel Fire, Sipapu, Pajarito | ~150 |
| British Columbia | Whistler Blackcomb, Revelstoke, Kicking Horse, Sun Peaks, Fernie, Red Mountain, Whitewater | ~400+ |
| Alberta | Lake Louise, Sunshine Village, Marmot Basin, Nakiska, Castle Mountain | ~200 |
Many resorts offer sidecountry/slackcountry (lift-accessed backcountry) and true backcountry (self-powered). Requires avalanche gear (beacon, probe, shovel), training, partners. Notable: Jackson Hole (Gateway), Bridger Bowl (Ridge), Silverton (guided only), Revelstoke (vast).
Typical: Late Nov – April (Colorado/Utah/WY); Dec – April (MT/ID/NM); Nov – May (BC Coast/Interior); Nov – May (AB). Average snowfall: 300–1,200+ inches (coastal BC highest). Continental climate = lighter, drier powder (Colorado/WY) vs. maritime = heavier, deeper (BC/WA).
~55M skier visits/year (US Rockies + Western Canada). $20B+ direct spending. 100K+ seasonal jobs. Vail Resorts, Alterra Mountain Co. (Ikon Pass) dominate pass market.
Shorter seasons, lower elevations at risk, snowmaking dependence rising (energy/water), glacier loss (BC/AB). Resorts investing in summer revenue (MTB, festivals, alpine coasters) to diversify.
2,400+ trails. One spine of continent. The Rockies don't just offer skiing—they define it.