The Largest Ski Resorts in the US and the World (2026)
Park City, Big Sky and Vail lead the US, Whistler Blackcomb tops North America, and Europe's linked ski areas are bigger still. Here's how they compare.
How Ski Resort Size Is Measured
"Largest" depends on what you measure:
- Skiable acres: the standard in North America. It counts the area of skiable terrain, but resorts define it differently; some include hike-to, cat-skiing or private terrain.
- Kilometers of runs: the standard in Europe, measuring the length of marked pistes. Linked European ski areas look enormous by this measure.
- Lift-served terrain: the area you can reach by lifts alone, the most useful number for most skiers.
- Vertical drop: how far you can ski from top to bottom, another way to think about "big."
Because resorts update terrain and measure differently, published figures vary between sources. Numbers below are rounded where sources differ.
Largest Ski Resorts in the US
| Rank | Resort | State | Skiable Acres | Notes |
|---|---|---|---|---|
| 1 | Park City Mountain | Utah | About 7,300 | Largest lift-served resort in the US; Epic |
| 2 | Palisades Tahoe | California | About 6,000 | Olympic Valley and Alpine Meadows combined; Ikon |
| 3 | Big Sky | Montana | 5,850 | Official figure; Ikon and Mountain Collective |
| 4 | Aspen Snowmass | Colorado | 5,758 (4 mountains) | Snowmass alone is 3,342; Ikon |
| 5 | Vail | Colorado | About 5,300 | Largest single mountain in Colorado; Epic |
| 6 | Heavenly | California/Nevada | About 4,800 | Straddles the state line at Lake Tahoe; Epic |
| 7 | Deer Valley | Utah | 4,500 | Official for 2026/27 after expansion; Ikon |
| 8 | Mt. Bachelor | Oregon | About 4,300 | 360-degree summit skiing; Ikon |
| 9 | Steamboat | Colorado | About 3,000–3,700 | Sources differ after recent expansion; Ikon |
| 10 | Mammoth Mountain | California | About 3,500 | Long season; Ikon |
What About Powder Mountain?
Utah's Powder Mountain is often listed with more than 8,000 total acres, which would top the list. But much of that terrain is reached by cat, snowcat shuttle or hiking, or is tied to private areas, and sources disagree widely on how much is lift-served. That's why most lists name Park City as the largest lift-served resort in the US.
Deer Valley's Expansion
Deer Valley has been adding terrain and lifts in a major expansion. For the 2026/27 season it lists 4,500 skiable acres, including new Hail Peak terrain. Older articles cite larger planned totals; the 4,500 figure is the resort's current number.
Largest Ski Resorts in North America
| Resort | Location | Skiable Acres |
|---|---|---|
| Whistler Blackcomb | British Columbia | About 8,171 |
| Park City Mountain | Utah | About 7,300 |
| Palisades Tahoe | California | About 6,000 |
| Big Sky | Montana | 5,850 |
| Aspen Snowmass | Colorado | 5,758 (4 mountains) |
| Vail | Colorado | About 5,300 |
| Sun Peaks | British Columbia | About 4,270 |
| Lake Louise | Alberta | About 4,200 |
Whistler Blackcomb links two big mountains with the Peak 2 Peak gondola and has more than 5,000 feet of vertical on each side.
Largest Ski Areas in the World
Europe's linked ski areas connect several villages and valleys by lift, so they're measured in kilometers of runs:
| Ski Area | Country | Runs |
|---|---|---|
| Les 3 Vallées | France | About 600 km |
| Portes du Soleil | France / Switzerland | About 580 km |
| 4 Vallées | Switzerland | About 412 km |
| Via Lattea (Milky Way) | Italy / France | About 400 km |
| Matterhorn (Zermatt–Cervinia) | Switzerland / Italy | About 322 km |
| Tignes–Val d'Isère | France | About 300 km |
| Ski Arlberg | Austria | About 300 km |
Run lengths are from a ski-area database that measures slope length the same way for every resort. By that measure, Park City and Big Sky each list about 250 km, among the largest outside Europe.
Les 3 Vallées describes itself as the largest ski area in the world: for 2026/27 it lists about 600 km of runs, around 10,500 hectares (roughly 25,950 acres), 169 lifts and seven resorts, including Courchevel, Méribel and Val Thorens.
Biggest Vertical Drops in the US
| Resort | Vertical Drop |
|---|---|
| Snowmass, Colorado | 4,440 ft (official) |
| Telluride, Colorado | About 4,425 ft including hike-to terrain |
| Big Sky, Montana | 4,350 ft (official) |
| Jackson Hole, Wyoming | 4,139 ft (official) |
Largest Ski Resorts by Region
- Colorado: Vail (single mountain) and Aspen Snowmass (four mountains). See Colorado ski resorts.
- Utah: Park City, then Deer Valley. See Utah ski resorts.
- California: Palisades Tahoe, Heavenly and Mammoth. See California ski resorts.
- Northern Rockies: Big Sky.
- Pacific Northwest: Mt. Bachelor.
- East: Killington in Vermont, the "Beast of the East," is the biggest, especially combined with neighboring Pico.
Is Bigger Better?
| Big Resorts | Smaller Resorts |
|---|---|
| Huge variety of terrain | Easier to navigate |
| Crowds spread out | Often shorter lift lines and a friendlier feel |
| Something for every level in a group | Can be great value |
| More lodging, dining and nightlife | Some get more snow and fewer crowds |
| Can mean long traverses and lift rides | Less to explore over a long trip |
Plan Your Trip
Most of the largest US resorts are on the Epic or Ikon pass, so your pass may decide where you ski. Get your gear sorted with our guides to skis, ski jackets and what to wear skiing, and compare the best ski resorts in the US and the highest ski resorts.
Frequently Asked Questions
What is the largest ski resort in the US?
Park City Mountain in Utah, with about 7,300 skiable acres, is generally considered the largest lift-served ski resort in the US. Powder Mountain claims more total acreage, but much of it is cat, hike-to or private terrain.
What is the largest ski resort in North America?
Whistler Blackcomb in British Columbia, with about 8,171 skiable acres.
What is the largest ski resort in the world?
Les 3 Vallées in France calls itself the world's largest ski area, with about 600 km of linked runs, around 10,500 hectares and 169 lifts for 2026/27.
What is the largest ski resort in Colorado?
Vail is the largest single ski mountain in Colorado at roughly 5,300 acres. Aspen Snowmass covers about 5,758 acres across four separate mountains.
What is the largest ski resort on the East Coast?
Killington in Vermont, known as the Beast of the East, is the largest in the eastern US, especially counting neighboring Pico.
How is the size of a ski resort measured?
North American resorts usually list skiable acres, while European ski areas usually list kilometers of marked runs. Some totals include cat-skiing, hike-to or private terrain, so compare like with like.
Is a bigger ski resort always better?
Not necessarily. Bigger resorts offer variety and spread crowds, but smaller mountains can have better snow, shorter lift lines and easier navigation, especially for beginners.
Which US ski resort has the biggest vertical drop?
Snowmass lists 4,440 feet of vertical, Big Sky 4,350 feet and Jackson Hole 4,139 feet, among the biggest lift-served verticals in the US.