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Blue · Portes du Soleil · near Châtel

Onnaz-Chermeu length, vertical drop and steepness

Onnaz-Chermeu starts near Châtel, in Portes du Soleil, at 1,705 m and drops 139 m over 1.08 km, to 1,566 m; difficulty: Blue. Its steepest 20 m reach 30 %, #248 of the 380 named runs of Portes du Soleil measured by GeoPeaks; its average gradient is 13 %.

Measured by GeoPeaks · data of October 29, 2026 · not figures of the ski area · How we measure

In feet and miles: 0.67 mi long; 456 ft vertical drop, from 5,594 ft to 5,138 ft.

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Shaded relief map of Onnaz-Chermeu with the runs and lifts around it
The run in its colour, with a white border: ▲ its top, ○ its end. Around it, the other runs in their colours and the lifts in grey-blue (thicker: those reaching its top). The scale bar’s length is written next to it; north is up. © OpenStreetMap · IGN · swisstopo · Copernicus · Credits
Length
1.08 km 0.67 mi
Vertical drop
139 m 456 ft
Average gradient
13 %
Steepest 20 m
30 %
Difficulty
Blue
In the area
#248 by steepness, of 380 · tied

Map of the run

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© OpenStreetMap · IGN · swisstopo · Copernicus · Credits

  • this run
  • lifts
  • ▲ top
  • ○ end
  • north is up

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Elevation profile

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Steepest 20 m: 30 %, 310 m from the top

top · 1,705 m1.08 kmbottom · 1,566 m
  • under 15 %
  • 15–25 %
  • 25–35 %
  • 35–50 %
  • over 50 %

Similar runs nearby

Runs of Portes du Soleil with the closest gradient and vertical drop.

How it ranks in Portes du Soleil

Among the 381 named runs of Portes du Soleil measured by GeoPeaks. 1 run is left out: its line climbs back up, or has a short pitch far steeper than the rest — maybe a bridge, a tunnel or a cut that the bare-ground relief does not show. Steepest · Longest · Biggest drop

Questions

How long is Onnaz-Chermeu?

Onnaz-Chermeu is 1.08 km long, measured horizontally along its line, and drops 139 m, from 1,705 m to 1,566 m.

How steep is Onnaz-Chermeu?

Its average gradient is 13 %; its steepest 20 m reach 30 %, 310 m from the top.

Where does Onnaz-Chermeu end?

It ends at 1,566 m.

What difficulty is Onnaz-Chermeu?

OpenStreetMap marks it as: Blue.

Measured by GeoPeaks on the 3D terrain (not figures of the ski area)
Length (horizontal)1.08 km 0.67 mi
Top1,705 m 5,594 ft
Bottom1,566 m 5,138 ft
Vertical drop139 m 456 ft
Average gradient13 %
Steepest 20 m30 %
DifficultyBlue (As mapped in OpenStreetMap)

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