Fionnay is a village in the
Swiss Alps 
, located in the canton of
Valais 
. The village is situated in the western part of the canton, in the valley of Bagnes, south-east of
Martigny 
. It is part of the municipality of
Val de Bagnes 
.
Fionnay lies at a height of 1,490 metres above sea level and is the last important settlement of the valley. The village is located at the foot of the
Corbassière Glacier 
of the
Grand Combin 
massif.
Demographics
Fionnay has a population (as of January 1, 2023) of 31.