The Mississippi Earthtones Festival, brought to you by Alton Main Street, the Sierra Club Illinois’ Three Rivers Project and Jacoby Arts Center, is a celebration of our river through art, music, and conservation which is held every 3^rd Saturday in September.

When: September 20th 2025 – Noon-10pm
Family-friendly activities take place from Noon until 6:00pm, and festival goers will enjoy artist booths and live music which continue until 10:00pm.

Where: Alton Amphitheater (#1 Riverfront Drive – Alton, IL 62002)

At this free & family-friendly event, we will feature 100+ educational booths, live music, interactive art experiences and performances, as well as great local food & beverages. Our goal is to bring locals and tourists alike to Downtown Alton to celebrate life on the Mississippi River and learn about ways that we can all be good stewards of our environment.