In addition to the region being the mecca of road cycling, it offers a wide variety of fun activities in the summer months:-
Mountain biking (250km of trails, and 10,000m descents possible in one day!)
Climbing
Swimming pool
Kamikaze Parc
Minigolf
Archery
Cinema
Tennis
Hiking in the mountains A father gets ready to teach his son to ride.....
.....but then can't keep up!!! and before long they do this...!
However if you really want to see something a little crazy, have a look at this
Also interested in Summer holidays in UK? Try this link for a fantastic place in Cornwall.