While I do not and will never take Lac Leman and other nearby lakes for granted, jumping off docks and such just isn't cutting it for me. I miss the 10-30m cliffs with waterfalls and natural rock formations.
Here's yours truly at our local jaunt: Bingham Falls in my hometown of Stowe
In Switzerland, I've only been able to find mentions of one or two places in the south, such as this one in Brontallo. Any others???