Sun Valley 2024 Operating Dates Season Ends. Join the festivities at the river run base area, where the magic unfolds. The resort plans to conclude the season on dollar mountain on sunday, march 26, and to end the season on baldy with the closing of the river run side on sunday, april 16.

These dates are subject to change at sun valley’s discretion based on weather and snowfall. Join the festivities at the river run base area, where the magic unfolds.