Keystone Opening Day 2025 Lineup. Ski and ride for as low as $95 per day at resorts like vail mountain, and as low as $73 per day at resorts like keystone, heavenly and stowe. Keystone resort announced thursday that opening day will be nov.

Keystone resort was the second ski area in summit county to open last season, hosting opening day on nov. While the resort has not yet set an official opening day, excitement is in the air as.