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The Regular Northwest Face of Half Dome was the first Grade VI big wall climbing route in the United States. It was first climbed in 1957 by a team consisting of Royal Robbins, Mike Sherrick, and Jerry Gallwas. Its current aid climbing rating is VI 5.9 A1 or 5.12 for the free climbing variation. [1]
Big wall climbing is a form of rock climbing that takes place on long and sheer multi-pitch routes (of at least 6–10 pitches or 300–500 metres) that require a full day, if not several days, to ascend.
A portaledge is a deployable hanging tent system designed for rock climbers who need to spend multiple days and nights on a climbing route suspended from a sheer rock face while big wall climbing. A fully assembled portaledge is a fabric-covered platform surrounded by a metal frame that hangs from a single anchor point via carabiners and has ...
The Diamond is the sheer and prominent east face of Longs Peak and named for the shape of the cliff. The face has a vertical gain of more than 900 feet (270 m) all above an elevation of 13,000 feet (4,000 m). It is a world-famous Alpine climb. [1]
A climbing wall is an artificially constructed wall with manufactured grips (or "holds") for the hands and feet. Most walls are located indoors, and climbing on such walls is often termed indoor climbing. Some walls are brick or wooden constructions but on modern walls, the material most often used is a thick multiplex board with holes drilled ...
A A-grade Also aid climbing grade. The technical difficulty grading system for aid climbing (both for "original" and an adapted version for "new wave"), which goes: A0, A1, A2, A3, A4, A5 and up to A6 (for "new wave"). See C-grade. Abalakov thread Abalakov thread Also V-thread. A type of anchor used in abseiling especially in winter and in ice climbing. ABD Also assisted braking device. A term ...
Dihedral Wall: this featured expanse of rock is situated between the Grand Wall and Tantalus Wall. In the spring and early summer it is a nesting area for peregrine falcons . Tantalus Wall : the sheer face separating the contrasting features of the Dihedral Wall and the Bulletheads.
The wall must overhang continuously with an angle of 5°. The climbable surface has to be light grey, covered by a resin-quartz with 0.1/0.4 granulometry, the numbers referring to grain sizes of fine sand. The top rope anchor point must be 1000 mm higher than the climbing wall and stand out 1000 mm from the wall.