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Ascent from Col du Coq to Dent de Crolles via the Trou du Glas and descent via the Pas d'Oeille.
moderate
Distance 7.8 km
3:35 h
789 m
789 m
2,026 m
1,413 m
This short hike leads from Col du Coq (~1400m) to Dent de Crolles (2062m), one of the four 2000-meter peaks in the Chartreuse Massif. The ascent is via the Trou du Glas, an entrance to the several-kilometer-long cave system beneath Dent de Crolles. A short visit to the entrance area is worthwhile, especially for cooling off in summer. After the Trou du Glas, you pass a first steep section equipped with steel cables for holding on, then two narrow rock crevices and a second steep section with cables. Once on the plateau, a gentle ascent follows to the summit cross, from where you have a magnificent view over the Chartreuse, the Isère valley, and the Chaîne de Belledonne. The descent is via the shorter and steeper Pas d'Oeille path.
Author’s recommendation
It is worth taking a (head)lamp and going a few meters into the Trou du Glas.
Difficulty
moderate
Overall difficulty
moderate
Derived from the technical difficulty and the stamina requirements.
Experience
Landscape
Highest point
2,026 m
Lowest point
1,413 m
Best time of year
Jan
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Track types
Show elevation profileSafety information
This hike is very steep and exposed in places; in some sections steel cables are provided for holding on. Hikers should therefore be sure-footed and not afraid of heights. This hike is not feasible in bad weather or snow!Rest stop
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Parking
Parking des Ayes (N 45° 18.275 E 005° 50.338)
Parking Col du Coq (N 45° 18.153 E 005° 50.197)
Coordinates
DD
45.304480, 5.838878
DMS
45°18'16.1"N 5°50'20.0"E
UTM
31T 722558 5020696
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Get there by train, car, bike, or on foot!
Book recommendation by the author
Pascal Sombardier: Randonnées en Chartreuse. ISBN 978-2-7234-3824-7
Equipment
Sturdy hiking boots are essential and hiking poles are also helpful for the descent via the Pas d'Oeille.Localization
Parts of this content were machine translated from German.
Difficulty
moderate
Overall difficulty
moderate
Derived from the technical difficulty and the stamina requirements.
Distance
7.8 km
Duration
3:35 h
Ascent
789 m
Descent
789 m
Highest point
2,026 m
Lowest point
1,413 m
Weather at the starting point
Statistics
Maps and trails
Nothing selected - click and drag in the elevation profile to zoom
Distance
Duration
Ascent
Descent
User Questions
Unanswered