From Sierre or Sion, Crans-Montana is easily reachable by bus (in summer, bikes transport is also possible).
Sierre train station - Crans-Montana
Travel time ~35 minutes. They go through multiple villages via either Chermignon (12.421) or Mollens (12.422).
Crans-Montana
Free shuttle service enables to travel throughout the resort of Crans-Montana all year round:
Sion train station - Crans-Montana, Le Mèrignou
Travel time ~45 minutes. Timetable
Plan your journey by public transportation using SBB's "Timetable" tool (addresses accepted):