Club 4000 brings together mountaineers who climbed at least 30 Alps summits higher than 4000 meters, out of the 82 included in the Official list approved by UIAA. Club 4000 is a group within the Turin section of the Italian Alpine Club (Club Alpino Italiano, CAI) .

Club 4000 has the ambition to be the reference and aggregating point for high-altitude mountaineers having a specific interest in climbing the Alps peaks over 4000 meters high.