How big is Sun Valley?
Sun Valley has 121 trails served by 18 lifts — 12th for trails of the 15 resorts we track in the USA. On lifts it ranks 11th of the 15.

Idaho, USA
America's first destination ski resort
Sun Valley is America's first destination ski resort, offering legendary groomed runs, excellent snow, and a sophisticated atmosphere.
Sun Valley has 121 trails served by 18 lifts — 12th for trails of the 15 resorts we track in the USA. On lifts it ranks 11th of the 15.
The lifts run from 5,820ft at the base to 10,000ft at the top, a vertical of 4,180ft. Of the 15 resorts we track in the USA, that is the 13th highest, with the 2nd biggest vertical.
The trails at Sun Valley split 36% beginner, 42% intermediate and 22% advanced, against an average of 19% beginner and 42% advanced across the resorts we track in the USA.
On those numbers it suits beginners.
Over the last ten winters Sun Valley has typically held skiable snow at mid-mountain from around December 14 to May 8, about 147 days.
February is the best all-round month on the record, with an average base of 33in, 24in of new snow and 2.5 bluebird days.
Month-by-month snow history →The nearest airport with scheduled flights is Friedman Memorial (SUN), 12 mi away in a straight line. Joslin Field Magic Valley Regional (TWF) is 83 mi, Boise Air Terminal/Gowen Field (BOI) is 93 mi. Road distances are longer, often much longer in the mountains, and the nearest airport is not always the one with the most flights.
A 6-day adult Sun Valley lift ticket costs $1,580 for 2025/26, or $263 a day. For value it ranks 9th of the 15 resorts we price in the USA.
Full lift ticket prices and history →Airports with scheduled flights, nearest first. Distances are straight-line; by road they are longer, and in the mountains often much longer.
Pick the airport you fly from for an estimate of the journey to the resort.
Estimates from straight-line distances, not timetables: flights at typical cruising speed plus taxi and climb, ground transfers at an average 40 mph. They leave out check-in and baggage time, and mountain roads in snow can take much longer. Check with airlines and transfer companies before booking.
$263 per day · 0.6 km of trails per € · #9 of 15 for value in the USA
Dynamic pricing — book early for lower prices
We publish a trail map only once we have checked it against the resort's own file, and we do not yet have a verified map for Sun Valley. Most resorts release the new season's map between October and December, so this page will fill in as winter approaches. In the meantime, Sun Valley has 121 trails and 18 lifts, running from 5,820ft to 10,000ft.
Sun Valley offers good beginner terrain with excellent grooming. Beginners will find well-maintained beginner runs and excellent ski schools. The resort is very beginner-friendly.
Sun Valley is excellent for intermediate skiers! The resort is famous for its perfectly groomed runs, perfect for cruising. Intermediate skiers will love the long, groomed trails.
Sun Valley offers excellent advanced terrain! The resort has challenging expert runs, including the famous Warm Springs area. Advanced skiers will find plenty of challenging terrain and powder opportunities.
Official resort website: sunvalley.com
Distances are straight-line, not by road.