If you can make it, I highly suggest you head up to Copper Mountain for the weekend of April 16-17 for their annual Spring Festival Sunsation event to close out the season.
There will be tons of stuff to do but the biggest attraction is the RedBull Slope Soakers competition. Building on traditional pond skim events, Redbull has added park features for a hybrid pond skim/slopestyle event that is must see.
….also might want to drop by the Eenie Weenie Bikini Contest to see some local wildlife: