Saturday MT. PROSPECT Oct. 5 Est 1955 mppd.org 11am-3pm PARK DISTRICT Fabulous US Fall Fest Lions Memorial Park 411 S. Maple St. Mount Prospect 847-255-5380 mppd.org Dress in your Halloween best October kicks off with the Fall Fest! Inflatables, Hayride, Petting Zoo, Games and More! $5 children 3-8 years | Adults Free Saturday MT. PROSPECT Oct. 5 Est 1955 mppd.org 11am-3pm PARK DISTRICT Fabulous US Fall Fest Lions Memorial Park 411 S. Maple St. Mount Prospect 847-255-5380 mppd.org Dress in your Halloween best October kicks off with the Fall Fest! Inflatables, Hayride, Petting Zoo, Games and More! $5 children 3-8 years | Adults Free