Col de Porte

French Alps, France

Gradient:

<4%

4–7%

7–10%

10–12%

>12%

Approach route

APPROACH ROUTES

Col de Porte

from Grenoble

Distance

16.8km

Elevation

1112m

Avg %

6.6%

Max %

14.1%

<4%4–7%7–10%10–12%>12%

Col de Porte

from Saint-Pierre-de-Chartreuse

Distance

8.1km

Elevation

516m

Avg %

6.4%

Max %

12.3%

<4%4–7%7–10%10–12%>12%

Col de Porte is a Category 1 ascent in the French Alps, France. Its hardest ascent, from Grenoble, covers 16.8 km at 6.6% average, gaining 1 112 m, with ramps up to 14.1%. The steepest kilometre averages 12.6%, around km 7.9. It can also be climbed from Saint-Pierre-de-Chartreuse (8.1 km at 6.4%): 2 measured approaches in all, each profiled kilometre-by-kilometre against Copernicus GLO-30 elevation data. On the Fiets scale it rates 7.4.

RIDE THE CLIMB — FROM GRENOBLE

View at km 0.8 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 1.3 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 1.8 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 2.3 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 2.8 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 4.3 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 4.8 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 5.3 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 5.9 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 7.4 — Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source

View at km 7.9 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 8.4 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 8.9 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 9.4 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 10.4 — Photo by sogefi / Mapillary (CC-BY-SA 4.0) Source

View at km 11.5 — Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source

View at km 13 — Photo by eric_s / Mapillary (CC-BY-SA 4.0) Source

View at km 14.5 — Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source

View at km 15.5 — Photo by joostjakob / Mapillary (CC-BY-SA 4.0) Source

View at km 16.8 — Photo by quiwy / Mapillary (CC-BY-SA 4.0) Source

COL DE PORTE

Summit

—

Approaches

2

Hardest

CAT 1

Hardest side

16.8km

NEARBY CLIMBS

Col de Palaquit

1154m

Col de la Charmette

1261m

Col du Coq

1434m

Col de Vence

782m

Col de Couz

636m

RIDE IT FROM

Grenoble

12 km from the climb · 217 m elev

Bourg-d'Oisans

33 km from the climb · 728 m elev

French Alps

Region guide