Learn how to tie the One-Eyed Knut friction hitch for smooth, reliable climbing control made for arborists and tree climbers.

Climb up the mountain in Cairn, a game that demonstrates a clear love of climbing, letting you soak in gorgeous environments ...

Learn the Melanie Loop knot in this clear tutorial, featuring a double fisherman variation commonly used in arborist rigging ...

Review: Frustrating and incredible in equal measure, Cairn is a game all about climbing to the top of a mountain.

This story appears in the November 2018 issue of National Geographic magazine. When you are Jimmy Chin, you make a long list of rules for filming your friend Alex Honnold’s historic attempt to climb ...