They need to rebuild their summer rail setup, so it may be a month or two before anything happens there. As far as I know summer sessions haven't been scheduled yet.
Once we get going on the setup we will have a better idea of when the open jams will be! This summer we will also be having two weeks of ski and snowboard camps. The weeks of camp are July 30-August 3 and August 6-10. For more info on camps check out http://www.whaleback.com/ski-snowboard.html