The Union Internationale des Associations d'Alpinisme (UIAA) has defined a list of 82 "official" Alpine summits that reach at least 4,000 m (13,123 ft). The list includes not only mountains, but also subpeaks with little prominence that are considered important mountaineering objectives. Below are listed the 22 "four-thousanders" with at least 500 m (1,640 ft) of prominence. COUNT 3
QSN1 What group defined a list of 82 official Apline summits that reach 4,000m? ANS1 Union Internationale des Associations d'Alpinisme (UIAA) QSN2 What is included in the list of 82 official Apline summits other than Mountains? ANS2 subpeaks with little prominence that are considered important mountaineering objectives QSN3 The list of twenty two summits has summits with at least how much prominence? ANS3 500 m (1,640 ft)