Explore a 16-mile trail loop through the Joliet area starting from Theodore Marsh.
About Theodore Marsh
Theodore Marsh protects a diversity of habitats, including forest, prairie, wetland and a portion of Rock Run.
Wildlife found at the preserve includes more than 100 bird species, such as the pie-billed grebe.
The preserve is also home to a variety of plant species, including velvety white vervain, smooth blue aster and marsh bellflower.