Mammoth Lakes Events Are On Bluesapalooza and other favorites are back for 2021 Mammoth Lakes, Calif., June 10, 2021 (GLOBE NEWSWIRE) — As California heads toward its June 15 COVID-19 reopening date, summer and fall events in Mammoth Lakes are preparing to kick back into gear. A full gamut of events is lining up to enhance experiences for visitors and locals alike. Leading the way in terms of size and scope, and the celebration of the festival’s 25th anniversary is the Mammoth Festival of Beers & Bluesapalooza, Mammoth Lakes’ largest ticketed summer event. Organizers have confirmed that they are moving forward with the premier four-day festival, scheduled this year for Aug. 5-8, and will do so with a standard of best practices.