Key passage · 3 520 m
Col du Sonadon
The Col du Sonadon forms the crossing from the Plateau du Couloir to the Glacier du Mont Durand. After the steep climb from the Cabane de Valsorey, often done on crampons, the view opens here onto the immense glacier landscape of the Grand Combin massif.
- Elevation
- 3 520 m
- Type
- Col
- Route section
- Cabane de Valsorey → Cabane de Chanrion
Low-detail terrain, height ×1.25. Geographic illustration, not current snow or glacier conditions.
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