In the ‘Battle of the Passes’, Alterra just announced that unlimited days at Mammoth Mountain has been added to the Ikon Base Pass, for $599 (blackouts apply).
When first announced, Mammoth Mountain was limited to just 5 days on the Ikon Base Pass, (unlimited days were available only on the $899 Ikon Pass), so this latest announcement adds even greater value to the already awesome Base Pass.
![[UPDATED: June 20] NOAA Winter 2025-26 Outlook: Long-Lead Seasonal Outlook Gives Sneak Peek of Next Winter](https://i0.wp.com/staging.snowbrains.com/wp-content/uploads/2025/06/15590259_1384554308223048_766514356792859186_n.jpg?resize=40%2C40&ssl=1){kind=small}
![[PHOTOS] Landslide Tears Through Village Near Cortina d’Ampezzo in Italian Dolomites](https://i0.wp.com/staging.snowbrains.com/wp-content/uploads/2025/06/IMG_0285-e1750122614536.jpeg?resize=40%2C40&ssl=1){kind=small}
