La Crevasse, Mountain summit in Entremont District, Switzerland

La Crevasse is a wooded summit of the Pennine Alps in the Entremont District of Valais, reaching 1,807 metres, 199 metres above the surrounding terrain. It stands just east of the Col des Planches, above Sembrancher, and its southwestern side falls away in almost vertical cliffs.

The name comes from the visible cracks that cut through the summit ridge, reflecting the mountain's ongoing geological instability. These fissures have developed over time and continue to shape the peak's appearance.

The name La Crevasse refers to the cracks that cut the summit ridge, a visible trace of the mountain's geological instability. The wooded slopes and the near-vertical southwestern cliffs above Sembrancher are the features a walker notices first. The peak rises 1,807 metres, about 199 metres above the surrounding terrain.

La Crevasse rises just east of the Col des Planches, above Sembrancher. Its southwestern face is almost vertical cliff, while the rest of the mountain is wooded, so approach from the col or the Sembrancher side rather than attempting the cliff face. The summit stands 1,807 m above sea level, 199 m above the surrounding terrain.

Researchers regularly study this limestone wall using specialized scanning techniques to document how the rock faces move and shift. These ongoing observations reveal important patterns in how mountain landscapes naturally evolve.