The toponym "Fontainemore" may derive from an old fountain called in French as « Fontaine de Saint-Maur » or « Fontaine de la mort ».
Géographie
The Gouffre de Guillemore.
Fontainemore is located in the middle of the Lys Valley, near the chasm known as French: Gouffre de Guillemore. It is the most eastern municipality of the Aosta Valley.