The train of the Mont-Blanc valleys
History and engineering of Mont-Blanc Express

From Argentière to Montroc

Saint-Gervais-Les Bains – Le FayetCheddeServozLes HouchesLes BossonsChamonix-Mont-BlancLes TinesArgentièreMontroc-le-PlanetVallorcineLe Châtelard-FrontièreFinhautLe TrétienLes MarécottesSalvanVernayaz MCMartignyLes Montets tunnelRack section🇨🇭🇫🇷05101520253035051015Third-rail electrificationOverhead electrification

A steep slope (70 mm/m) leads from Argentière to Montroc. The track runs across a large avalanche corridor above the village; it is protected by an avalanche gallery.

A Z 850 EMU is running on an overpass in the outskirts of Argentière.
A Z 850 EMU is running on an overpass in the outskirts of Argentière.
PK 28 between Argentière and Montroc.
PK 28 between Argentière and Montroc. The track climbs a 70 mm/m slope and goes through this avalanche gallery below Le Planet.
A Z 850 train is about to enter the avalanche gallery located between Argentière and Montroc.
A Z 850 train is about to enter the avalanche gallery located between Argentière and Montroc.
Avalanche gallery below Le Planet, in summer.
Avalanche gallery below Le Planet, in summer.
At the edge between the forests and the fields, this Z 800 EMU is skirting Argentière.
At the edge between the forests and the fields, this Z 800 EMU is skirting Argentière.
This avalanche gallery has enable the line to be operated year-round.
This avalanche gallery has enable the line to be operated year-round.
The Z 851 from Montroc and to Argentière is about to enter an avalanche gallery.
The Z 851 from Montroc and to Argentière is about to enter an avalanche gallery.
Between Argentière and Montroc, a Z 800 is passing a workers’ shelter.
Between Argentière and Montroc, a Z 800 is passing a workers’ shelter.
Here above Argentière, this Z 800 EMU is heading towards Montroc.
Here above Argentière, this Z 800 EMU is heading towards Montroc.
“Gare” sign (“train station”), indicating the close presence of the Montroc station, in the ramp along the Planet hill. Retaining walls and the gutter intended to collect the water runoff date back to the line construction.
“Gare” sign (“train station”), indicating the close presence of the Montroc station, in the ramp along the Planet hill. Retaining walls and the gutter intended to collect the water runoff date back to the line construction.
A bit above the Arve river, a Z 850 train is going down a 70 mm/m gradient between Montroc and Argentière.
A bit above the Arve river, a Z 850 train is going down a 70 mm/m gradient between Montroc and Argentière.
This Z 800 EMU has just left Montroc; it is starting to run downhill to Argentière.
This Z 800 EMU has just left Montroc; it is starting to run downhill to Argentière.
Last update: 12 August 2023. © Christophe Jacquet, 2000-2023. Legal and terms of use. ✍ Contact. Site map.
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