Planinska Zveza Slovenije (PZS, 76 subs)
Unlike in sport climbing, the Slovenians are still in their infancy on youtube. This mountain stream gondola(?) stands out!
Fédération Française des clubs alpins et de montagne (FFCAM, 97 subs)
Even here, the reach and appeal are still limited, but the French ski mountaineers are already delivering the finest adventures:
Swiss Alpine Club (SAC, 172 subs)
Not much going on in Switzerland either. They let the youngsters do it!
Club Alpino Italiano (CAI, 1.49K subs)
Presents itself at the beginning like its logo: slightly antiquated, with lots of old white men talking and mainly "sentiero italiano". But if you scroll deeper, you discover old films with great humor and drama, and nice history lessons: