Alpine Passes

Mountain Roads of Europe

Col de l'Ornon

Col de l'Ornon

France · Isère

1,371m

Key Facts

Elevation
1,371m
Route length
22 km
Max gradient
8%
Hairpins
20
Driving difficulty
Challenging (3/5)
Surface
Good
Open
Year-round

Route & Map

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Route

SEntraigues
22 km · max 8%
Col de l'Ornon (1,371m)
Descent
ELe Bourg-d'Oisans
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Pleasant, moderate pass connecting the Bonne valley to the Romanche valley. Less trafficked than nearby major passes with Écrins massif views.

Weather & Conditions

Driving Experience

Elevation Profile

714m938m1,161m1,385m1,608m0 km10 km20 km30 km1,608m
1,088m gain
1,165m loss
808m → 1,608m → 731m

Difficulty

Challenging

3/5 — car driving difficulty

Based on steepness, elevation gain, hairpins, road length & surface quality

Hairpin Turns

20

Serious switchback territory

When to Drive

Year-round (best: July - September)

  • Open year-round, though winter conditions may require snow equipment.
  • Morning hours offer the best driving conditions with less traffic.
  • The switchbacks reward smooth, deliberate driving over speed.

Coordinates

Summit
44.9833°N, 5.9833°E
Start (Entraigues)
44.9031°N, 5.9569°E
End (Le Bourg-d'Oisans)
45.0542°N, 6.0303°E
#quiet#moderate#ecrins

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Image: Jjassera / CC BY 2.5