Glossary of Climbing Terms - Y

Y

Yabo

Another name for a Sit start, a 'Yabo start' was named after John 'Yabo' Yablonski.

Yard up

To pull on the rope to make upward progress, often with assistance from the belayer. This may be done to bypass a crux, or to quickly regain ground lost after a fall without re-climbing the section. AKA to "jug up" the rope.

Yosemite Decimal System

A numerical system for rating the difficulty of walks, hikes, and climbs in the United States. The rock climbing (5.x) portion of the scale is the most common climb grading system used in the US. The scale runs from 5.0 to 5.16