2 Passes to Knoebels Amusement Resort is a family-owned and operated amusement park, picnic grove, and campground in Elysburg, Pennsylvania. It is and has been America's largest free-admission park for 89 years of operation.Good for 2016 Free admission,Free Parking, Free Entertainment and Free Picnic Facitlities ,Offer Monday-Friday- June -August and Select Weekends.