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Road cycling routes
France
Auvergne Rhône Alpes
Grenoble
Crolles

Col d'Hurtières – Col des Ayes (944 m) loop from Crolles

Routes
Road cycling routes
France
Auvergne Rhône Alpes
Grenoble
Crolles

Col d'Hurtières – Col des Ayes (944 m) loop from Crolles

Hard

4.3

(3)

98

riders

Col d'Hurtières – Col des Ayes (944 m) loop from Crolles

02:43

49.8km

940m

Road cycling

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

Last updated: August 22, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 2.18 km for 64 m

After 3.28 km for 63 m

Waypoints

A

Start point

Bus stop

Get Directions
1

2.21 km

Montfort Marsh Nature Reserve

Highlight • Natural Monument

Very nice peat marsh, refuge of rare species with a small fishing lake.
The place is very friendly, wheelchair accessible and the lake has a fishing pontoon fitted out for wheelchairs

Translated by Google •

Tip by

2

7.91 km

Saint-Aupre Church

Highlight • Other

3

23.8 km

Col d'Hurtières

Highlight • Other

From Froges: 8.40 km
Height difference: 618 m
% Average: 7.36%
% Peak: 11.8%

Translated by Google •

Tip by

4

27.0 km

Col des Ayes (944 m)

Highlight • Mountain Pass

A regular climb on the balconies of Belledonne. At the top, you can continue to the ski resort of Les 7 Laux.

Translated by Google •

Tip by

B

49.8 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

33.1 km

10.1 km

6.10 km

446 m

128 m

< 100 m

Surfaces

49.2 km

380 m

146 m

< 100 m

< 100 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 (940 m)

Lowest point (230 m)

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Weather

Powered by Foreca

Monday 9 November

19°C

12°C

16 %

Additional weather tips

Max wind speed: 2.0 km/h

to get more detailed weather forecasts along your route

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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