The DEUTSCHE ALPENVEREIN (German Alpine Club) is the largest mountaineering organization in the world and one of the biggest sports and environmental protection associations in Germany. It currently has more than 1.2 million members (July 2019).
DELIUS KLASING is one of Europe's leading special interest publishers. Their portfolio includes magazines, books, and other media on biking and alpine climbing as well as sports events and expeditions.
CLIMBING.DE was one of the first online magazines and websites for mountaineering and climbing offered in German. Since 1998, Martin Joisten has kept the climbing community up to date with the most comprehensive climbing news and information.