IAAG in Merville, France, school used by Air France to train its cadet pilots, makes them do a one month course on gliders and tug planes. This course is conducted in Saint Auban, the biggest glider airfield in Europe, right in the Alps.
ENAC, also based in France (Toulouse) has just started doing the same thing, since a recent accident on a french plane across the Atlantic...
They do around 40 tow flights and about 25 hrs on gliders, including a few solo flights on LS4's, Pegase's, and Discus 2's.