Arête du Couloir (North-East Ridge)

This is the standard and best-known route on Ober Gabelhorn. It ascends the west side via the West Couloir to the West Ridge, then follows the ridge to the summit. The route is a classic alpine mixed climb with snow, ice, and rock, and is usually less severe than the north-east ridge. It still requires good conditions because the couloir can be exposed to rockfall and the ridge can be corniced. The route is long and committing, with route-finding that can become complex in poor visibility. It is the normal ascent line described in major alpine guidebooks.

The South-West Ridge is a documented alpine route on Ober Gabelhorn and is generally regarded as a serious mixed ridge climb. It is less commonly used than the normal west-side route, but it is established in the literature. The route involves sustained exposed climbing on rock and snow, with difficulties increasing in poor conditions. It is a committing line with limited margin for error. Objective hazards include loose rock, cornices, and changing snow conditions. It is suitable only for experienced alpinists comfortable on steep alpine ridges.