PLAN YOUR VACATION

To contact a reservation agent please call (888) 222-9285, or 001-970-496-4500.

What would you like to book?


X close

A51 Terrain Park

A51 Terrain Park

A51 Terrain Park

A51 Terrain Park has been honored with numerous awards, including #2 Terrain Park in the country by TransWorld Magazine. Famous for its unique features, you can jib and hit jumps all day and never leave the park. A51 features its own lift, over 100 features, a super pipe and three jump lines: Park Lane, Main Street and I-70. Freda’s Incubator offers smaller hits and features for the up-and-coming rider or skier.

Dates and Hours

A51 Terrain Park is open!  Making its debut on December 1, the park crew has been working fast and furiously to open with Main Street Jump line and various other features.  Come check it out!

View Dates and Hours Information
View Night Ski Information

Park Detail

A51 Terrain Park is located on Dercum Mountain and can be accessed via River Run or Mountain House base areas.  Once you arrive in Packsaddle Bowl, you never have to leave the park by using the A51 chair lift.  The four areas of the park are:

  • Freda's Incubator
  • Park Lane
  • Main Street
  • I70

Each of these areas are composed of innovative and progressive jibs, jumps, tables, rails and other features that you'll only find here. 
Come ride where the professional athletes practice and improve their skills.

Explore the terrain park site

Coming soon...new A51 website that includes videos, Twitter feed for park updates, park crew, athletes, photos and more!
A51 Micro Site

Mountain Safety

At Keystone, skiing safety and snowboarding safety is our priority. Learn the facts about the Keystone Skier and Snowboarder Responsibility Program, and get valuable ski safety and snowboard safety tips. 

The Keystone Skier and Snowboarder Responsibility Program is designed to communicate, educate and enforce the basics of responsible, courteous skiing and snowboarding as outlined in Your Responsibility Code and the Colorado Skier Safety Act.

Learn more

Videos

Play

View all videos

Print Now