This hike climbs through a ski area to the Col de Sorebois, with great views of the peaks towering above the Zinal, Moriy and Arolla valleys. From the pass the trail travels around the Lac de Moiry, visiting the area around the foot of the Moiry Glacier.
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- Distance: 5.6 miles (one way) to Moiry Glacier over the Col du Sorebois
8.9 miles (one way) to Lac de Moiry Barrage (Complete Hike)
- Elevation: 8,000-ft. at Trailhead
9,370-ft. at Moiry Glacier over the Col du Sorebois
7,723-ft. at Lac de Moiry Barrage (Complete Hike)
- Elevation Gain: 2,000-ft. to Moiry Glacier over the Col du Sorebois
-343-ft. to Lac de Moiry Barrage (Complete Hike)
- Difficulty: moderate
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Zinal / Valais
Why Hike Sorebois to Lac de Moiry via Col de Sorebois
This hike crosses the ridge separating the Zinal and the Moiry valley at the Col du Sorebois, a scenic pass with panoramic views of the peaks towering above the east side of the Zinal Valley, the rugged summits rising to the west of the Lac de Moiry and the distance high-peaks around Arolla.
The ascent to the pass travels through the pastures of the Sorebois ski area marred with ski apparatus and related small buildings. After crossing the Col du Sorebois the trail drops steeply into the Val de Moiry and then traverses the steep slopes along the east side of the valley high above the Lac de Moiry. The trail enjoys nice views of the minor summits and the ridge running along the west side of the valley. For much of the traverse the glacier-clad peaks at the head of the valley are hidden by the slopes along the west face of the Garde de Bordon protruding into the valley.
As the trail approaches the head of the valley it curves around the protruding slopes of the Garde de Bordon and grand views of the Moriy Glacier, spilling down the slopes of the Grand Cornier, spring into view. Near the head of the valley the trail drops down to the valley floor. The hike can be cut short at this point by taking the bus back to Grimentz and Zinal.
At the head of the valley hikers can opt to visit the Moiry Hut with splendid views of the Moiry Glacier. This side trip climbs over 1,500-ft. on a 4.0 mile out-and-back hike to the hut. Alternatively, hikers can walk to the Barrage de Moiry (dam) on a pleasant trail traveling along the west side of the lake. At the dam, regularly scheduled buses return to Grimentz and Zinal.
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