Silverthorne is close to many ski resorts.
These are so many activities at the bases, including ice skating and a lot of food options!
Check out any of these!
Epic Pass
Keystone and Breckenridge
A little farther is Vail or Beaver Creek
Ikon Pass
Arapahoe Basin and Copper Mountain
A little farther is Aspen and Steamboat
There is also lots of shopping options, including Outlets.