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Routes
Road cycling routes
France
Auvergne Rhône Alpes
Grenoble
Saint-Marcellin

Étang de Dionay – Toutes Aures Pass loop from Saint-Marcellin

Routes
Road cycling routes
France
Auvergne Rhône Alpes
Grenoble
Saint-Marcellin

Étang de Dionay – Toutes Aures Pass loop from Saint-Marcellin

Moderate

5.0

(3)

51

riders

Étang de Dionay – Toutes Aures Pass loop from Saint-Marcellin

02:43

57.7km

750m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: May 9, 2026

Waypoints

A

Start point

Train Station

Get Directions

1

1.03 km

Saint-Marcellin

Highlight • Settlement

Between Isère and Vercors, Saint-Marcellin has long prospered thanks to trade and its famous cheese. Its old town center preserves stone facades, narrow passages, and a few beautiful bourgeois houses.

Translated by Google •

Tip by

2

19.6 km

Col de la Madeleine (Chambarans)

Highlight • Mountain Pass

Not to be confused with the other Col de la Madeleine in Savoie. This is a much smaller and gentler climb. The views at the top are nice nonetheless.

Translated by Google •

Tip by

3

23.4 km

Étang de Dionay

Highlight • Lake

A large pond next to the Col de la Madeleine road.

Translated by Google •

Tip by

4

29.1 km

5

39.4 km

Toutes Aures Pass

Highlight • Mountain Pass

Small picnic area and water point at the pass

Translated by Google •

Tip by

6

41.8 km

Cognet Pass (525 m)

Highlight • Mountain Pass

Official referenced pass that can be extended to the Col de la Croix de Toutes Aures.

Translated by Google •

Tip by

7

44.1 km

Chasselay Bourg

Highlight • Settlement

Nestled at the foot of the Chambaran Mountains, between 470 and 724 meters above sea level, the village of Chasselay overlooks the Isère Valley and boasts an exceptional view of the Vercors.

chasselay38.fr/445-carte-et-points-d-interet.htm

Translated by Google •

Tip by

B

57.7 km

End point

Train Station

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Way Types & Surfaces

Way Types

54.1 km

2.05 km

786 m

380 m

342 m

< 100 m

Surfaces

57.2 km

482 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (710 m)

Lowest point (250 m)

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Weather

Powered by Foreca

Tuesday 14 July

32°C

21°C

47 %

Additional weather tips

Max wind speed: 15.0 km/h

to get more detailed weather forecasts along your route

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4.5

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