Rock climbing guide books are an invaluable resource and are essential to ensure that you don’t end up climbing the wrong route or no route at all (both of which can be scary and/or dangerous).  Unfortunately, the features of the routes that guide books describe do sometimes change.   The route descriptions in the books also need to be quite brief and this lack of detail can sometimes lead to you being surprised by some aspect of a route.  For these reasons, I am starting a regular series of posts on “what they don’t tell you in the guide book.” Continue reading What they don’t tell you in the guidebook – Craig yr Aderyn