It’s time again to make plans to gas up the SUV and travel to numerous Colorado mountain destinations for the summer jazz festival season. Every major festival is back this year, and that’s good news for state tourism, particularly in ski resort towns, but also for fans that make events like Jazz Aspen Snowmass and Telluride Jazz such successful endeavors every year. Estes Park Jazz Fest Weekend, June 3-4: There’s always a sense of camaraderie at relatively small gathering, where locals meet up with day trippers from the Denver-Boulder area to take in performances from mostly Colorado artists at the intimate Performance Park stage.