Col de Portes / Calvaire de Portes from Contrevoz

Statistics

Difficulty points	437
Length	10.9 mi
Average gradient	4.1%
Steepest segment	10.3%
Total ascent	2339 ft

Difficulty points

437

Length

10.9 mi

Average gradient

4.1%

Steepest segment

10.3%

Total ascent

2339 ft

Short recap

Beautiful scenery

Hidden gem

7 hairpin turns

#30 toughest climb of Ain

#57 most elevation gain of Jura

#17 longest climb of Jura

Photos (5)

Col de Portes / Calvaire de Portes from Contrevoz

Reviews (1)

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Mishtrouf ^premium

2 y 3.0 01:01:00 (10.8 mph)

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Beautiful route without too much traffic. Views of the Grand Colombier at the start and the Rhône valley at the end;

Climbing times

5 mph	02:12:03
7 mph	01:33:29
9 mph	01:12:51
12 mph	00:54:44

Road surface condition

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Traffic

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Frequently Asked Questions

Col de Portes / Calvaire de Portes can be cycled from 8 sides. Col de Portes / Calvaire de Portes from Serrières de Briord is the most popular side, but the summit can also be reached via Col de Portes / Calvaire de Portes from Saint Sorlin en Bugey, Col de Portes / Calvaire de Portes from Serrières de Briord via La Correrie, Col de Portes / Calvaire de Portes from Argis, Col de Portes / Calvaire de Portes from Serrières, Col de Portes / Calvaire de Portes from Contrevoz, Col de Portes from Montagnieu & Col de Portes from Sault-Brénaz.

You don't need special gearing for Col de Portes / Calvaire de Portes from Contrevoz. The slope isn't long or steep enough to require much shifting down. You can conquer this climb on power alone. However, a compact gearing system with a smallest front chainring of 34 and largest rear sprocket of 28 or 30 is always nice if you enjoy cycling uphill. This helps maintain a smooth cadence.

Col de Portes / Calvaire de Portes from Contrevoz is a serious climb and falls into the 2nd category. With a good basic fitness level, even without much cycling experience, you can complete this climb just fine. However, a bike with climbing gears is a must. Without experience or training, it will be really tough – but that’s part of the challenge!

Col de Portes / Calvaire de Portes from Contrevoz is 10.9 mi long.

The average gradient of Col de Portes / Calvaire de Portes from Contrevoz is 4.1%.

Col de Portes / Calvaire de Portes from Contrevoz has a steepest segment with an average gradient of 10.3%.

The summit of Col de Portes / Calvaire de Portes from Contrevoz is at 3301 ft.

At a slow pace of 5 mph, it takes about 02:12:03 to climb Col de Portes / Calvaire de Portes from Contrevoz. At 7 mph the time is 01:33:29, and at 9 mph 01:12:51. For the fastest cyclists, 00:54:44 is an achievable time.

Col de Portes / Calvaire de Portes from Contrevoz is located in the region Ain in France.

Col de Portes / Calvaire de Portes from Contrevoz

Statistics

Short recap

Photos (5)

Reviews (1)

Climbing times

Road surface condition

Traffic

Frequently Asked Questions

Which sides of the Col de Portes / Calvaire de Portes can be cycled up?

What gearing is needed for Col de Portes / Calvaire de Portes from Contrevoz?

How difficult is the Col de Portes / Calvaire de Portes from Contrevoz?

How long is the climb up Col de Portes / Calvaire de Portes from Contrevoz?

What is the gradient of Col de Portes / Calvaire de Portes from Contrevoz?

What is the steepest part of Col de Portes / Calvaire de Portes from Contrevoz?

How high is Col de Portes / Calvaire de Portes from Contrevoz?

How long does it take to cycle up Col de Portes / Calvaire de Portes from Contrevoz?

Where is Col de Portes / Calvaire de Portes from Contrevoz located?