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Moraine State Park Regatta at Lake Arthur
1 August @ 9:00 am - 5:00 pm
FreeLake Arthur South Shore, Moraine State Park, 225 Pleasant Valley Road, Portersville, PA 16051. Free admission. Annual regatta with sailing races, kayaking, archery, yoga, disc golf, live music, kids Lily Pad activities, car cruise, vendor marketplace, and fireworks Saturday night. Butler County Symphony Orchestra performs Sunday.
