Hornbein Couloir
Gully on the north face of Mount Everest
Hornbein Couloir
The Hornbein Couloir is a narrow and steep couloir high to the west on the north face of Mount Everest in Tibet, that extends from about 8,000 to 8,500 m (26,200 to 27,900 ft) elevation, 350 metres (1,150 feet) below the summit. For the first 400 m (1,300 ft) vertical, the couloir inclines at about 47°, and the last 100 m (330 ft) is narrower and steeper with about a 60° average incline. To the east on the north face with less angle is the much larger Norton Couloir.
Read on Wikipedia · Image Luca Galuzzi - www.galuzzi.it Original uploader was User:Kassander der Minoer at de.wikipedia, CC BY-SA 2.5
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