37th Annual Huck Finn It’s a great American family event and it’s close to home! Music, camping, classic cars, hot air balloons, villages of mountain men, vittles, and crafts form the backdrop to this vacation style weekend at Cucamonga-Guasti Regional Park in Ontario on Father’s Day Weekend, June 14, 15 and 16. Visit www.KIDS.huckfinn.com to save on family admission. Click Here for details.