Thursday-Saturday Parks After Dark at Loma Alta Park, Friday Altadena Country Club Fireworks. Saturday, honoring independence at the Owen Brown Gravesite, then don’t miss the final summer Mariposa Junction Market & Block Party between El Molino & Lake Ave. Ride your bike to the market, take Metro Micro Transit, walk to enjoy the late summer daylight. Enjoy professional fireworks shows as all fireworks are illegal in LA County. High fire danger, brings closure to the Chaney Trail Road Gate from 7/1 through 7/7! COVID on the rise, mask up indoors encouraged, stay safe, happy and healthy this holiday weekend!