The internet cables were severed early on Monday morning,saidnetwork provider Netalis on X.
Junior Minister for Digital Affairs Marina Ferraricondemnedthe attacks, calling them cowardly and irresponsible.
Paris, where most of the Olympic events are taking place, has not been affected.
Whether the attacks were intended to disrupt the Games or not is unclear at this time.
However, Frances interior minister suggested that therail sabotagemay be connected to far-left activists.
It is not yet clear if police are linking the two attacks.
Analysts predict that there could be as many asfour billion cyber attacksat this years Games.
French intelligence services are especially on thelookout for Russian hackers.
Story bySion Geschwindt
Sion is a freelance science and technology reporter, specialising in climate and energy.
