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The 39 Clues Wiki

This article is about a real-world person, place, or thing. For more information, see the corresponding Wikipedia page here.

Matterhorn

The Matterhorn is a mountain in the Alps in Europe, on the border between Switzerland and Italy. On New Year's Eve in 2009, Hamilton and Eisenhower Holt scaled the peak, attempting to break the world record for fastest ascent.

Grace Cahill used the Matterhorn in a code left for her brother, Fiske in a note pointing to the hidden location of Gideon's Ring.

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