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La Marmotte (no. 15)
La Marmotte (no. 15)
La Marmotte (no. 15)
La Marmotte (no. 15)

La Marmotte (no. 15)

La Marmotte is one of the most beautiful bicycle racing competitions. This long and difficult route (5016m ascent) will lead you between Oisans and Savoy via Col du Glandon and Col du Galibier ending with the 21 bends of Alpe d'Huez.... So, are you ready?

Itinerary no. 15 of the “Cycling in Oisans” guide (Oisans Tourisme)

Departure: Bourg d’Oisans 720 m
Arrival: Alpe d'Huez 1850 m
Time: 8 h
Distance: 177 km
Highest point: 2630 m
Lowest point: 463 m
Total ascent: 5016 m
Max. gradient: 14%

Map: Michelin Local Map no. 333 Isère, Savoie

ITINERARY
From Bourg d’Oisans follow the D1091 towards Grenoble.
In Rochetaillée continue towards “Allemont / Col du Glandon - Col de la Croix de Fer”.
On leaving Allemont, climb up 2 hairpin bends to get to the top of the Verney dam. At the end of the dam, the route towards “Col du Glandon - Col de la Croix de Fer” will be signposted, taking you alongside the Lake Verney.
At the end of the lake, you will start a steep climb up to Rivier d'Allemont.
At Rivier, you can take a little breather before dropping down to the bottom of the valley and then attacking a new strenuous climb up to Lake Grand Maison.
Once arrived at the lake, the steep-sided valley gives way to beautiful alpine pastures. The ride will be more easy-going from here to the Glandon Pass (1924 m).
Once over the pass, continue along the D927 to Saint-Étienne-de-Cuines. Once you reached the village centre, fork to the D74 towards Sainte-Marie-de-Cuines. Pass under the motorway and take a right turn onto D1006 towards Saint-Jean-de-Maurienne, then towards Saint-Michel-de-Maurienne.
In Saint-Michel-de-Maurienne, turn right towards “Valloire / Col du Télégraphe / Col du Galibier”.
From Col du Télégraphe (1 570 m), cycle down and cross Valloire ski resort.
Here you are at last at the bottom of the legendary ascent of the Col du Galibier (2646 m). From the top of the pass, go down towards Le Lautaret (2058 m) to catch up with the D1091 and return to Bourg d’Oisans.
And to round it off nicely, cycle up the road to Alpe d’Huez and its 21 hairpin bends… and just breathe!

177 km
7 h 30 mn
max. 2639 m
min. 461 m
5016 m
3886 m

Accessibility

Style : Mountain
Public : SportsmenCyclists

Starting point

Mas du Plan
38520 Le bourg-d'oisans
Lat : 45.054Lng : 6.03267
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Bourg d'Oisans

From Bourg d’Oisans follow the RD1091 towards Grenoble.

Mas du Plan 38520 Le bourg-d'oisans
Lat : 45.054Lng : 6.03262
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Eglise Saint-Ferrèol d'Huez

38750 Huez
Lat : 45.0774Lng : 6.05318
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Rochetaillée

In Rochetaillée take the D526 to Allemont.

D1091 38520 Le bourg-d'oisans
Lat : 45.1134Lng : 6.00601
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Allemont

Cycle through Allemont and take the road up to the ‘col du Glandon’.

425-468 Route des Fonderies Royales 38114 Allemond
Lat : 45.128Lng : 6.03861
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Eglise de Saint-Arey

38142 Le freney-d'oisans
Lat : 45.0474Lng : 6.12531
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Village d'Allemont

38114 Allemond
Lat : 45.1322Lng : 6.04061
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Le Rivier d'Allemont

From Rivier d'Allemont follow the road (down until the river and athletic rise to the dam of Grand' Maison).

Route des Cols 38114 Allemond
Lat : 45.2031Lng : 6.04024
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Grand' Maison dam

From the dam the slope softens until the pass.

D526 38114 Vaujany
Lat : 45.2085Lng : 6.11749
0 m
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Barrage du Chambon

This barrage was built in 1935 to regulate the wild river Romanche;...Read more

38142 Mont-de-lans
Lat : 45.0429Lng : 6.14093
0 m
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Towards to the col du Glandon.

Turn left onto the D927.

D926 73130 Saint-colomban-des-villards
Lat : 45.2388Lng : 6.17789
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Barrage de Grand'Maison

38114 Vaujany
Lat : 45.2074Lng : 6.12444
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La voie de Rochetaillée

38520 Le Bourg-d'Oisans
Lat : 45.1141Lng : 6.00483
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Col du Glandon

Go down the D927 to St Colomban des Villards then St Etienne and St Marie de Cuines.

D927 73130 Saint-colomban-des-villards
Lat : 45.2395Lng : 6.17558
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8

St Marie de Cuines

Join Saint Jean de Maurienne by D74.

163-271 Route de la Combe 73130 Saint-etienne-de-cuines
Lat : 45.3407Lng : 6.29013
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Saint Jean de Maurienne

From Saint Jean, the D1006 will take you to Saint Michel de Maurienne.

D1006 73300 Saint-jean-de-maurienne
Lat : 45.287Lng : 6.35408
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St Michel de Maurienne

From Saint Michel you should follow the D902 for the col du Télégraphe
(1,570 m).

2 Rue Général Ferrié 73140 Saint-michel-de-maurienne
Lat : 45.2158Lng : 6.47475
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Col du Télégraphe

Go down to the ski resort of Valloire.

D902 73450 Valloire
Lat : 45.2027Lng : 6.4447
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Valloire

Here you are finally at the bottom of the legendary ascent of the col du Galibier.

Rue des Grandes Alpes 73450 Valloire
Lat : 45.1646Lng : 6.42502
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Col du Galibier

From this pass go down towards Le Lautaret.

D902B 05220 Valloire
Lat : 45.0641Lng : 6.40783
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Col du Lautaret

Follow the RD1091 to Bourg d’Oisans, via La Grave, the Chambon dam and Freney d'Oisans.

Le Lautaret 05480 Le monetier-les-bains
Lat : 45.0345Lng : 6.40509
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La Grave

D1091 05320 La grave
Lat : 45.0462Lng : 6.30742
0 m
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Chambon dam

D1091 38860 Mizoen
Lat : 45.0474Lng : 6.13974
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Freney d'Oisans

Le Village 38142 Le freney-d'oisans
Lat : 45.0456Lng : 6.12657
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Bourg d'Oisans

And to round it off nicely, cycle up the road to Alpe d’Huez and its 21 hairpin bends...

D211 38520 Le bourg-d'oisans
Lat : 45.0596Lng : 6.03781
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Alpe d'Huez

and ... Congratulations!

Place du Cognet 38750 Huez
Lat : 45.0958Lng : 6.07024
0 m

4 informations complémentaires

Contact

Phone : 04 76 80 03 25

Email : info@oisans.com

Website : http://www.bike-oisans.com

Open period

From 05/01 to 10/31/13 : open daily.

Updated by

Oisans Tourisme - 08/09/2016
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