Related Clues:

• European skyline sight
• Finsteraarhorn, for one
• Top of the world
• Piz Bernina, e.g.
• Apex
• High peak
• Mountain climber's challenge
• European peak
• The Zugspitze, for one
• It may be Italian
• High spot
• A high mountain
• Himalayan high point
• Matterhorn, e.g.
• Krakauer's ''Into Thin Air'' locale