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Red · Portes du Soleil · near Châtel

Onnaz length, vertical drop and steepness

Onnaz starts near Châtel, in Portes du Soleil, at 1,843 m and drops 142 m over 456 m, to 1,701 m; difficulty: Red. Its steepest 20 m reach 54 %, #44 of the 380 named runs of Portes du Soleil measured by GeoPeaks; its average gradient is 31 %. Lifts to its top: Onnaz.

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

In feet and miles: 0.28 mi long; 466 ft vertical drop, from 6,047 ft to 5,581 ft.

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Shaded relief map of Onnaz 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. Relief: GeoPeaks, from IGN LiDAR HD and swisstopo swissALTI3D. Runs and lifts: © OpenStreetMap contributors.
Length
456 m 0.28 mi
Vertical drop
142 m 466 ft
Average gradient
31 %
Steepest 20 m
54 %
Difficulty
Red
In the area
#44 by steepness, of 380 · tied

Map of the run

Hover or tap a line for its name and numbers; click to open its page.

  • this run
  • lifts
  • ▲ top
  • ○ end
  • north is up
  • Relief: GeoPeaks, from IGN LiDAR HD and swisstopo swissALTI3D. Runs and lifts: © OpenStreetMap contributors.

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Elevation profile

Hover, tap or use the arrow keys along the run: gradient, distance and altitude of each 50 m stretch. The point follows on the map.

Steepest 20 m: 54 %, 230 m from the top

top · 1,843 m456 mbottom · 1,701 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?

Onnaz is 456 m long, measured horizontally along its line, and drops 142 m, from 1,843 m to 1,701 m.

How steep is Onnaz?

Its average gradient is 31 %; its steepest 20 m reach 54 %, 230 m from the top.

Which lift goes to the top of Onnaz?

The top of Onnaz is reached by Onnaz (Drag lift).

Where does Onnaz end?

It ends at 1,701 m.

What difficulty is Onnaz?

OpenStreetMap marks it as: Red.

Measured by GeoPeaks on the 3D terrain (not figures of the ski area)
Length (horizontal)456 m 0.28 mi
Top1,843 m 6,047 ft
Bottom1,701 m 5,581 ft
Vertical drop142 m 466 ft
Average gradient31 %
Steepest 20 m54 %
DifficultyRed (As mapped in OpenStreetMap)

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