Try Europe! St Auban in the French Alps has ridges in just about every
wind direction, probably the best glider fleet in the world, fantastic
instructors including at least 3 former world champions and attracts
pilots from all over the world.

See

http://www.youtube.com/watch?v=lo9jE9XJyek

and my other videos.

Slope soaring Mt Blanc at 12000 feet + would make the journey worthwhile!