Thank Herald, Best of Will County 2019 Choice ou For voting Three Rivers Festival "One of the Best in The Herald News Readers Choice Contest! We appreciate your support and are looking forward to next year's festival! -AUGUST 12th-16th, 2020 - HANNAHON'S Three Rivers Festival SM-CL1714608 News The. Readers Thank Herald, Best of Will County 2019 Choice ou For voting Three Rivers Festival "One of the Best in The Herald News Readers Choice Contest! We appreciate your support and are looking forward to next year's festival! -AUGUST 12th-16th, 2020 - HANNAHON'S Three Rivers Festival SM-CL1714608 News The. Readers