’Tis the season to sharpen the Salomons. In national snowplay news, here’s why:

In Utah, the Alta Ski Area and Snowbird Ski & Summer Resort team up to offer a joint terrain ticket, opening 4,700 ski-able acres for $68 per day. www.alta.com or www.snowbird.com

Snowboarders can now shred on Aspen Mountain for a full season, compared to last year’s few weeks, and a new two-mile-long terrain park opens at nearby Buttermilk. www.aspensnowmass.com

Après ski, relax with mountain-herb-scented massages at Colorado’s new Aria Spa & Club at Vail Cascade Resort & Spa. www.vailcascade.com

At Lake Tahoe, Squaw Valley unveils a pedestrian village with 19 shops and restaurants and 139 condos. www.squaw.com

South of Tahoe, Kirkwood Mountain Resort opens two condo complexes, the ski-in/ski-out Snowcrest Lodge and the Meadowstone Lodge, located adjacent to an indoor Olympic-size swimming pool. www.ski-kirkwood.com

Yellowstone National Park gets greener by renting only fuel-efficient, four-stroke-engine snowmobiles at its two winter lodges. www.travelyellowstone.com

Telluride christens Prospect Bowl, adding 733 more acres to the western Colorado resort. www.telluride-ski.com