Welcome to Camp McCormick! This site is intended to showcase the events and activities available at Camp McCormick! While visiting the camp, you'll meet our clever Gnomes! You can also find out more about Summer Camp! Camp McCormick is nearly 400 acres of pristine wilderness and open prairies in Stillman Valley, IL. Questions about our facility rentals? Contact us or call us at 1-844-GSNI-4-ME.