The scree, crags and rocky ground, areas of loose rocks or stones more or less large (larger than a football about) can be ground fairly easy to navigate on foot, as long as they know how. Failure to understand and master the techniques of running in this type of soil, a fall can cause serious accidents, so always keep in mind:
Pay close attention to the safety distance between group members, which must be greater the higher probability of falling rocks or landslides, and (in turn and for the same reason) to steeper the slope, whether we as if we are going down. The reason: to give time to the partner who preceded us (down) or above us (up) to avoid falling rocks due to our departure. We must warn of falling rocks, especially on the downhills, when you see them before us may not come.
We will try to step on the same sites selected by the Guide is first, and that elected them for something (most stable stones or rocks), and will be the more experienced person to do so.
Crossing a fast one in an area where the rocks are shifting or threaten to collapse, falling rocks. Of course, these sections should be short and have no major problems, but should be avoided or surround.