The majority of climbing accidents happen because of the following reasons:
Overconfidence
There are climbers who have been climbing with experienced and skilled leaders. Most often they think that they know everything about climbing. So they purchase a new rope, bring few friends with them without even taking into consideration that there are still a lot that they need to learn in terms of climbing.
Calculated Risks
Experienced and highly skilled climbers always ensure safety before they climb. And unless they feel secure and can be protected along the way, they proceed with the climb. Others take risks discounting the dangers ahead. Most often, these types of climbers are prone to experience climbing accidents.
Carelessness
This is the most common reason why climbing accidents happen. For a first time climber, all the safety rules are observed and follow. However, it seems that as you climb frequently, the height no longer intimidates you and you feel that you can surmount anything. Sometimes in the middle of the climb, you lose focus and you fail to clip in. Your foot slips and you fall.
Bad Luck
There are times when no matter how hard to observe and follow safety rules and measures, bad luck happens. It could be a storm moving in when you are half-way up an exposed summit. It could be a climber ahead knocking a rock above you. It could also be a solid rock giving away below you. However, there are many ways to reduce the risk of bad luck taking place. You can monitor weather updates, wear protective gear like a helmet, or not climbing below another climber if the rock you are climbing is known to have loose rocks.