Crans-Montana is a municipality in the district of
Sierre 
in the canton of
Valais 
,
Switzerland 
. On 1 January 2017 the former municipalities of
Chermignon 
, Mollens, Montana and
Randogne 
merged to form the new municipality of Crans-Montana.
Crans-Montana is also a ski resort that was created through the fusion of the two centres of Crans and Montana and belonged to six municipalities (Chermignon,
Icogne 
, Lens, Mollens, Montana and Randogne), four of which merged to form the municipality of Crans-Montana.
History
Chermignon
Chermignon is first mentioned in 1228 as Chermenon and Chirminon. It became an independent municipality in 1905 when it separated from Lens.
Mollens
Mollens is first mentioned about 1250 as Molaen.