Summer-Mammoth-Ikon Like amusement parks, the activity centers at Western resorts tempt all to hang on. (Vail Epic Discovery/Facebook)

Both the Epic Pass and Ikon Pass streamline skiing and riding costs during the winter. Now that summer's here, they switch gears to make warm-weather times in the mountains more affordable, too.

After the pre-season purchase of a 2019-2020 Epic or Ikon pass, summertime at 20 ski and snowboard resorts in Colorado, Utah, California and Washington get cheaper. For 2019-2020 pass holders, scenic lift rides at both Epic and Ikon resorts are free.

After that, both passes offer discounts for other activities, lodging, and food throughout the summer. Here are some examples of how those deals break down around the West: