Pitch (ascent/descent)

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Pitch in a cave, Little Carpathians
Underground pitch in the cave Haviareň

In rock climbing and ice climbing, a pitch is a steep section of a route that requires a rope between two belays, as part of a climbing system. Standard climbing ropes are between 50 and 80 metres long, so a pitch is always shorter, between two convenient ledges if possible; longer routes are multi-pitch, requiring the re-use of the rope each time.

In advanced climbing or mountaineering, another definition of pitch is not restricted by the length of the rope. On easier terrain or when moving quickly, the length of a pitch can be extended by means of simul climbing, effectively combining several pitches together by means of a running belay. Speed climbers will often state that they completed a long route with a reduced number of pitches, effectively calling a pitch any time a fixed belay was used or a changeover in the lead occurred. This definition is used loosely, since the length of a pitch is only limited by the nature of the terrain and the confidence of the individual climbing party.

Caving[edit]

The term 'pitch' is also used by cavers to refer to a very steep or vertical section (called a drop, pit, or shaft) in a cave that needs ladders or single rope technique to descend and ascend (a drop that can be descended and ascended without equipment is a 'climb'). As caving rope lengths are not standardized, the length of a pitch is usually equal to that of the drop. The deepest underground pitch is 603 m (1,978 ft) in Vrtoglavica Cave in the Julian Alps, Slovenia.

In some cases, cavers may choose to split one drop into two or more distinct pitches. However in most cases a single rope or ladder is used for the entire drop, so in practical usage 'pitch' has become synonymous with the terms 'drop', 'pit' or 'shaft'.

While a pitch refers to a drop that can be descended, the term Aven is used to refer to a pitch when discovered from below. Avens can be ascended by means of a bolt climb, where a caver places an ascending series of bolts in the walls of the aven and gradually ascends to the top. A rope can then be rigged to the bottom allowing following cavers to pass the obstacle.

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