Col de Riedmatten

Distance: 7.2 miles (round trip)

near Les Hauderes in Valais

Mont Blanc de Chelion rising above a river of ice flowing down the Val des Dix

Mont Blanc de Chelion rising above a river of ice flowing down the Val des Dix


This beautiful trail with views of the Pigne d’Arolla, the peaks rising along the east side of the Arolla Valley, leads to a pass on a rugged ridge with fine views of the Glacier de Cheilon flowing down the Val des Dix, Mont Blanc de Cheilon and Le Pleureur.
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  • Distance: 7.2 miles (round trip)
  • Elevation: 6,602-ft. at Trailhead
    Maximum elevation: 9,679-ft.
  • Elevation Gain: 3,077-ft.
  • Difficulty: moderate-strenuous
  • More Hikes in:
    Les Hauderes / Arolla / Valais

Why Hike Col de Riedmatten

The walk to the Col de Reidmatten is delightful, traveling through beautiful meadows with wonderful views of the glaciers spilling down the slopes of the Pigne d’Arolla. To the east/southeast (behind you), the jagged peaks towering above the east side of the Arolla Valley, including Dent d’ Perott, Pt. des Genevois and Aiguille de la Tsa, fill the skyline.

The pass, located on the rugged ridge separating the Val d’ Arolla and Val des Dix, enjoys fine views of Mont Blanc de Chelion rising above the Glacier de Cheilon, a river of ice flowing down the Val des Dix. To the west, La Luette, Le Pleureur and Le Sale grace the skyline. To the southeast, Mont Collon and the Bouquettin massif dominate the view. On a clear day the top of the Matterhorn joins the scene.

The Col de Reidmatten is within 800-ft. of a second pass on the ridge, the Pas de Chevres, which is 250-ft. lower than Reidmatten. In my opinion the views of Mont Blanc de Chelion are better from the viewpoint above the Col de Reidmatten while the views to the east of Mont Collon and the Bouquetin massif are slightly better from the Pas de Chevres.

If you are simply doing an out-and-back hike from Arolla I would choose the Col de Reidmatten because of the better views of the Val des Dix from the overlook above the pass. The pass also tends to be less crowded.

Pas de Chevres is the best choice for hikers heading to Cabane des Dix (Dix Hut) on the west side of the Chelion glacier. For more information see the Pas de Chevres hike.

Note: From the Col de Reidmatten, a narrow, very steep trail drops down to the moraine above the Cheilon glacier. Cables and chains along the upper section of the trail provided a level of security. The trail then heads northwest, descending along the moraine and the Val des Dix to the Lac de Dix. I do not recommend descending to the lake if the trail is covered with snow or ice, unless parties are properly equipped. Rockfall is also an issue on the descent during inclement weather. Before setting out, check current condition in Arolla.

Elevation Profile

Elevation Profile for the Col de Riedmatten

Trail Resources

Trail Photo Gallery / Trail Map

Basecamp(s) Information:
Les Hauderes / Arolla

Region Information:

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