Sun Valley Closing Dates 2024. The official opening and closing dates for sun valley, idaho for current and past seasons. In idaho, most mountains will wrap up operations in late.

Check out the 24/25 scheduled closing dates for ikon. For instance, sun valley resort will make march 31 dollar mountain’s last day, april 7 will be seattle ridge’s last day, and river run’s last day is april 14, with only warm.