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The Col du Granier: The Mountain That Fell on the Villages

Auvergne-Rhône-Alpes, France

easy
scenic

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Granier Cliff

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225

XP

+100 France

= 325 total

1 day

The Col du Granier: The Mountain That Fell on the Villages

easy
scenic

225 + 100 XP

The Col du Granier crosses the north-east of the Chartreuse at 1,133m, on the road between Chambéry and Saint-Pierre-d'Entremont under the huge north face of the Granier. On the night of 24–25 November 1248 a huge landslide took away part of the mountain and left the 900m north face; it is probably the largest rockfall known in European history, and the hummocky ground it left below is farmed for wine as the Abymes.

Required Activities

1

of 5

Drive the D912 over the col at 1,133 m with the 900-metre north wall of the Granier above you to the south-east, then turn round on the spot and find the other three horizons the col opens on: the trouée des Marches and the Bauges to the north-east, and east across the combe de Savoie to the Belledonne chain and the Grand Arc

2

of 5

Take the short path west from the col up to the panoramic point that looks across the sunny side of the pointe de la Bornée, and pick out where the Tour de Chartreuse long-distance path runs below you

3

of 5

Go down into the abymes below the col, where 500 million cubic metres of mountain came to rest over some 23 square kilometres, and find the Pierre Hachée at Myans — a single block of more than a thousand cubic metres that rolled five kilometres to get there — then walk round the lac de Saint-André, a hollow in the debris that filled with water beside the spot where the village of Saint-André is buried

4

of 5

Taste an Apremont and an Abymes side by side in a cellar at Apremont, both grown on ground that has been under vine since the early 1300s because the rockfall left it too broken for anything else — and work out the swap while you do it: the mountain used to be called Apremont and took the name of the buried village of Granier, while the village built on the rubble took the mountain's old name

5

of 5

At Myans, go into the sanctuary of Notre-Dame — the building the monks were sheltering in when the mountain came down — and then name the five parishes that were buried whole: Cognin, Vourey, Saint-André, Granier and Saint-Pérange, with Myans and Les Murs only half destroyed

  • Drive the D912 over the col at 1,133 m with the 900-metre north wall of the Granier above you to the south-east, then turn round on the spot and find the other three horizons the col opens on: the trouée des Marches and the Bauges to the north-east, and east across the combe de Savoie to the Belledonne chain and the Grand Arc

  • Take the short path west from the col up to the panoramic point that looks across the sunny side of the pointe de la Bornée, and pick out where the Tour de Chartreuse long-distance path runs below you

  • Go down into the abymes below the col, where 500 million cubic metres of mountain came to rest over some 23 square kilometres, and find the Pierre Hachée at Myans — a single block of more than a thousand cubic metres that rolled five kilometres to get there — then walk round the lac de Saint-André, a hollow in the debris that filled with water beside the spot where the village of Saint-André is buried

  • Taste an Apremont and an Abymes side by side in a cellar at Apremont, both grown on ground that has been under vine since the early 1300s because the rockfall left it too broken for anything else — and work out the swap while you do it: the mountain used to be called Apremont and took the name of the buried village of Granier, while the village built on the rubble took the mountain's old name

  • At Myans, go into the sanctuary of Notre-Dame — the building the monks were sheltering in when the mountain came down — and then name the five parishes that were buried whole: Cognin, Vourey, Saint-André, Granier and Saint-Pérange, with Myans and Les Murs only half destroyed

Before you go

The Col du Granier is not one of the Savoie passes shut for the winter — the département's closure list names the Galibier, Iseran, Petit-Saint-Bernard, Croix-de-Fer, Madeleine, Mont-Cenis, Glandon, Mont du Chat, Épine and Cormet de Roselend, and not the Granier — so at 1,133 m it is cleared and open in principle all year, but it takes snow and can shut for a day at a time. The RD912 up from Chambéry is also prone to roadworks on the Apremont and Montagnole slopes, with restrictions announced from 2 March to 7 May 2026; check savoie-route.fr the morning you go. The Apremont cellars keep their own hours, so ring ahead rather than turn up.

The Granier is still falling. Part of its north-west pillar came down in January 2016, registering 2.4 on the Richter scale, and a run of falls that spring buried the D285a from Chapareillan and tore away the D12c, bringing prefectoral road closures and a ban on walking, caving and forestry across the massif; a 2018 survey put 780,000 cubic metres of rock still unstable in three masses. Stay on the marked path west of the col and off the scree aprons under the north and east faces, and check for current prefectoral orders before any walk on the mountain itself.

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Challenge Location

XP Breakdown

Challenge XP

225 XP

France country bonus

+100 XP


Potential total

325 XP

Country bonus earned on completion of your first challenge in France.

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