The St. Regis Aspen Resort

  • 315 East Dean Street
  • Aspen,
  • Colorado
  • 81611
  • United States
  • Map

Rooms & Rates


Children per Room

This information enables us to identify the rooms that will best accommodate your party and to prepare for your arrival.

See room terms and details for information about rollaway and/or extra person charges.

Age Requirement Policy

Guests must be 18 years or older with photo identification to reserve a room.


Buttermilk has something for everyone. It is an excellent mountain for beginners, however experts will find plenty to do in the terrain park (beginner, intermediate and advanced X park) with over 40 hits and jumps.

Mountain Stats:

  • Ski Season: Mid December – Beginning of April
  • Summit Elevation: 9,900 feet / 3,018 meters
  • Base Elevation: 7,870 feet / 2,399 meters
  • Vertical Rise: 2,030 feet / 619 meters
  • Total Skiable Acres: 430 acres / 174 hectares
  • Number of Trails: 42
  • Longest Run: 3 miles / 4.8 kilometers
  • Terrain: 430 acres / 174 hectares

Trail Difficulty
The breakdown of Buttermilk trails is: easiest - 35%, more difficult - 39%, most difficult - 26%, expert - 0%

Pipes & Parks
Test your skills, and learn new ones, on the pipes and parks at Buttermilk. There is one X superpipe, ESPN Winter X Games Slopestyle course and three terrain parks: a ski/snowboard school park, intermediate park and X park. Kids can learn new skills at the Children’s Ski and Snowboard School.

Two restaurants provide a welcome respite when you are ready to take a break.

  • Bump’s (base)
  • The Cliffhouse (top)


Number of Lifts: 9
Ski-in/Ski-out: No
hours: 9:00 AM - 3:30 PM