Lyskamm ridge traverse and Castor: descending from Signalkuppe to Lysjoch in the morning with Lyskamm East summit in the background; the spur we took to gain the ridge can be seen

Lyskamm ridge traverse and Castor: Rainer just after gaining the ridge. Here the ridge is nearly level, it steepens before reaching the summit of Lyskamm East

Lyskamm ridge traverse and Castor: Claus-Dieter on the Lyskamm east ridge; looking back toward Parrotspitze, Ludwigshoehe, Corno Nero, Balmenhorn, and Piramide Vincent (from left to right)

Lyskamm ridge traverse and Castor: Claus-Dieter on the Lyskamm ridge; in the background from left to right: Signalkuppe, Parrotspitze, Ludwigshoehe, and Corno Nero

Lyskamm ridge traverse and Castor: Claus-Dieter on the Lyskamm ridge; in the background from left to right: Dufourspitze (with Grenzgletscher), Zumsteinspitze, Signalkuppe, Parrotspitze, Ludwigshoehe, Corno Nero, and Balmenhorn

Lyskamm ridge traverse and Castor: Rainer on top of Lyskamm East summit; Matterhorn visible behind on the left side

Lyskamm ridge traverse and Castor: from left to right: Nordend, Dufourspitze with Grenzgletscher, Zumsteinspitze, and Signalkuppe

Lyskamm ridge traverse and Castor: Claus-Dieter on Lyskamm east summit; in the background: Lyskamm east ridge, Balmenhorn, and Piramide Vincent

Lyskamm ridge traverse and Castor: Rainer on the ridge traverse from Lyskamm East to Lyskamm West summit with big cornice; in the background from left to right: Dent d'Herens, Matterhorn, Dent Blanche, Grand Cornier, and Obergabelhorn

Lyskamm ridge traverse and Castor: Rainer on the ridge traverse from Lyskamm East to Lyskamm West summit with Gornergletscher below; guided parties ascending; in the background from left to right: Dent d'Herens, Matterhorn, Dent Blanche, Grand Cornier, and Obergabelhorn

Lyskamm ridge traverse and Castor: Claus-Dieter on the ridge traverse from Lyskamm East to Lyskamm West summit

Lyskamm ridge traverse and Castor: Rainer on rocky parts of the ridge traverse from Lyskamm East to Lyskamm West summit

Lyskamm ridge traverse and Castor: Claus-Dieter on the ridge traverse from Lyskamm East to Lyskamm West summit; looking back toward Lyskamm East summit; Parrotspitze in the background

Lyskamm ridge traverse and Castor: looking back at Lyskamm East summit with Parrotspitze in the background

Lyskamm ridge traverse and Castor: on the ridge traverse from Lyskamm East to Lyskamm West summit; looking west toward the Breithorn summits

Lyskamm ridge traverse and Castor: serac fall on the Grenzgletscher as seen from Lyskamm ridge

Lyskamm ridge traverse and Castor: Nordend and Dufourspitze seen from Lyskamm ridge

Lyskamm ridge traverse and Castor: Rainer on rocky parts of the ridge traverse from Lyskamm East to Lyskamm West summit

Lyskamm ridge traverse and Castor: Claus-Dieter on the ridge traverse from Lyskamm East to Lyskamm West summit; in the background from left to right: Dufourspitze (with Grenzgletscher), Zumsteinspitze, Signalkuppe, and Parrotspitze

Lyskamm ridge traverse and Castor: Claus-Dieter and Rainer on top of Lyskamm West with Lyskamm East in the background

Lyskamm ridge traverse and Castor: Daniel, Claus-Dieter, and Rainer on top of Lyskamm West; in the background from left to right: Mont Blanc, Grand Combin, Dent d'Herens, Matterhorn, Dent Blanche, Grand Cornier, Obergabelhorn, Zinalrothorn, Weisshorn, Gornergrat ridge, Taschhorn, Jungfrau (far back at the horizon), Rimpfischhorn, Allalinhorn, Strahlhorn, Nordend, Dufourspitze (with Grenzgletscher), Zumsteinspitze, Signalkuppe, Parrotspitze, and Lyskamm East summit

Lyskamm ridge traverse and Castor: Rainer on top of Lyskamm West with Castor and Breithorn summits; in the background from left to right: Grand Combin, Dent d'Herens, Matterhorn, Dent Blanche, Grand Cornier, Obergabelhorn, Zinalrothorn, Weisshorn; below: Gornergrat ridge and Gornergletscher

Lyskamm ridge traverse and Castor: view from Castor: Breithorn summits; in the background: Matterhorn (in a cloud), and Dent Blanche

Lyskamm ridge traverse and Castor: Rifugio Quintino Sella