Next winter the 'Magic Pass' will provide unlimited access to 80 ski resorts and 37 summer destinations in Switzerland, France and Italy.
The addition of Italy will be a first, with the resorts of San Domenico and Devero, located an hour north of Milan added.
The European multi-resort pass, which works on a similar model as the more well-known Epic Pass and Ikon Pass, was started seven winters ago.
The Magic Pass recently reported that a 9% increase in sales for the current season, with over 180,000 taking advantage of the offer and resulting in more than 2 million skier days.
With more than 110,000 customers and around 400,000 visits in summer, the Magic Pass has been effective at bringing tourists to the mountains year-round.
Many of the resorts are lesser known to British skiers, but the 'Pass 100' option includes Crans Montana. The Magic Pass costs CHF399 for adults and CHF269 for children.