Glacier Valley Route: Tour de l'Oisans et Écrins

Route at a glance

The route is a loop itinerary of about 226.3 km in Ecrins and Oisans. The route reaches about 2794 m, so weather, exposure and acclimatisation matter more than the distance alone. The main reference points are Bourg-d'Oisans, La Grave, Ecrins National Park, which help with orientation at the start, along the route and near the finish. It can be walked as one continuous journey or split into separate sections, depending on fitness, daylight and available transport.

Route suitability

Without a car Hard

With children Нет

With a dog С осторожностью

By bike Нет

With a stroller Нет

Signal Местами

Information status

Page status Проверенный маршрут

When checked Not specified

How it was checked По данным трека

Editorial review Reviewed by editors

Getting there

Without a car

Travel by train and bus toward Grenoble, Bourg-d'Oisans or La Grave, then use local buses or taxis to the valley.

By car

Drive to the valley village, hut approach or official trailhead. Linear routes need a return plan.

Parking

Use village parking, hut approach parking and official trailhead spaces. In high season arrive early.

What to expect

Tour de l'Oisans et Écrins

Bourg-d'Oisans

La Grave

Ecrins National Park

alpine valleys

Difficult sections and safety

Mountain weather can change quickly near Bourg-d'Oisans. Wet stones, snow patches and steep descents require a calm pace and footwear with good grip.

How much time to allow

One long stage 7-10 h

Full route several days

Cycling option only for prepared riders

Best time to go

The best window around Bourg-d'Oisans is usually late spring to early autumn

In the mountains, weather can change within an hour

In shoulder seasons, check snow, storms and local restrictions

What to bring

comfortable broken-in shoes

water and snacks

windbreaker or rain jacket

charged phone

offline map

small first-aid kit

power bank

cash and documents

overnight gear if needed

Elevation profile

There is no elevation data in the track for the chart.

Surface

Dirt / grass 36% · Dirt 25% · Asphalt 19%

Surface is defined for 82.9 km of 186.0 km.

Dirt / grass 36% · 29.7 km

Dirt 25% · 20.5 km

Asphalt 19% · 16.0 km

Gravel 11% · 9.16 km

Compacted dirt 5% · 4.28 km

Improved surface 2% · 1.82 km

Fine gravel 1% · 1.23 km

Concrete 1% · 0.22 km