Information about a climb obtained from other climbers. Broadly there are two types of beta,

The first details information about the climb, perhaps there is a hidden hold or a best technique to use a certain point.

The second details information about the protection on a climb, perhaps there is only one type of nut that will fit into the crack that you are climbing. A climber will usually only carry one or two nuts of each size. * If a climb requires many of the same size the safety of the climber depends on this piece of information or "beta"

It is accepted that a description to a climb in a guide book should contain beta of the second type as this is an issue of safety, however often it is frowned upon to include beta of the first type, working out the route should be left to the skill of the climber.


* i know this might sound a bit perverted, it's a Freudian sport, what can I say.