Lava Island

Oswego’s PrairieFest

Sunday, June 15, 2025 · 1:00 PM – 6:00 PM

Oswego’s four-day community celebration is brought to you by the Oswegoland Park District, generous business sponsors, civic organizations, and hundreds of volunteers. We warmly invite you to be a part of PrairieFest. Whether supporting the festival, hosting an event, or participating in the fun, there’s a place for you. PrairieFest events are held throughout Oswego with the main festival grounds located at PrairieFest Park, 91 Plank Road, Oswego, IL.   For information on more events like this, check out our roundup of Summer Festivals.