Switzerland Col du Jaman (Clarens)
Col du Jaman (Clarens) Bike Climb - PJAMM CyclingCol du Jaman (Clarens) Bike Climb - PJAMM Cycling

26.7
PDI
6.3 mi
DISTANCE
3,284 ft
GAINED
9.6 %
AVG. GRADE
FULL CLIMB STATS
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Page Contributor(s): Ard Oostra, Montreux, Switzerland; Helmuth Dekkers, Netherlands.

INTRO

A lovely climb out of Lake Geneva, Switzerland.

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This climb averages 9.6%. The steepest quarter mile of this climb is 23.5% and steepest continuous mile is 14.7%. 2.9 miles of the climb is at or above 10% grade. The gradient on this climb is broken down as follows: 0.6 miles (9.2%) of descent; 0.9 miles (14.1%) at 0-5% grade; 1.9 miles (29.9%) at 5-10% grade; 1.6 miles (25.5%) at 10-15% grade; 0.8 miles (12.3%) at 15-20% grade; 0.6 miles (8.9%) at 20%+ grade;

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ROUTE MAP
PROFILE TOOL

Col du Jaman (Clarens)

STREET VIEWS
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IMAGES
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SEGMENT
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GRADIENT
See where the steepest portions of the climb are located by gradient group.
Gradient
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Route Data
S.G. (%)
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Steepest Gradient (%)

23.5
0.25 mi
17.4
0.5 mi
14.7
1 mi
12.1
2.5 mi
9.7
5 mi

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Route Data
S.G. (%)
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Steepest Gradient (%)

23.5
0.25 mi
17.4
0.5 mi
14.7
1 mi
12.1
2.5 mi
9.7
5 mi

Click on above gradient to display on profile.

Segment Data
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CLIMB SUMMARY

Climb Summary

To our knowledge, this is the most challenging climb on Lake Geneva.  When the weather is clear, we hear, the views along the climb are spectacular - we say “hear” versus “see” because sadly it was overcast the day we had the opportunity to climb the 2 approaches to Col du Jaman.

While not the most difficult of climbs in Switzerland, Jaman does present a nice challenge - from Montreux 8.6 miles, 3,385’ at 7.5% average grade (14.4% ¼ mile, 12.5% ½ and 10.2% for a full 2.5 mile stretch and from Clarens - 6.3 miles, 3,445’ at 9.5% (23% for ¼ mile, 17.3 ½ mile and 12% for a 2.5 mile stretch.

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We had a few good views before entering the clouds

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Bottom half of the climb from Clarens

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Brad and John at the col with our good friend Ard Oostra of Montreux

From Clarens

Steepest Kilometer starts at km 6.4 (15.9%)

From Montreux

Start of steepest kilometer is at km 12.2 (12%)

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