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Theodore Marsh
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Preservation


The 288-acre Theodore Marsh was acquired between 1994 and 2009.

The preserve is part of the Rock Run preservation system, which conserves more than 1,450 acres of land.

A 140-acre portion of the site was registered as an Illinois Land and Water Reserve in 2003. This registration provides permanent protection for the natural resources at the preserve.

Natural Resources

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-bellied grebe.

The preserve is also home to a variety of plant species, including velvety white vervain, smooth blue aster, and marsh bellflower.

The site is managed with invasive species control, prescribed burning, and community restoration to protect and enhance its natural resources. Learn more about the Districtís land management activities.

The preserve's restoration began in 2000 with the removal of fill that had been dumped into the wetlands, and the creation of upland prairie and wetland on more than 120 acres.

Amenities and Activities

Trails

Theodore Marsh provides access to the 9.93-mile, paved Rock Run Greenway Trail, ideal for the following activities:The preserve also provides access to the 4.36-mile, paved Joliet Junction Trail, ideal for the following activities:The Rock Run Greenway Trail and Joliet Junction Trail connect to the Illinois Department of Natural Resourcesí crushed limestone I&M Canal State Trail to provide a 16-mile, mostly paved loop trail. Download a map of the Rock Run Greenway Trail-Joliet Junction Trail loop.

Picnicking

The preserve offers one picnic shelter for rental, Gaylord Road Access Shelter, with a permit capacity of 60 people. Learn more about picnic permits and fees.

Playground

The preserve features a playground. Learn more about the Districtís playgrounds.

Geocaching

Permits are available for geocaching at this preserve. Learn more about geocaching permits.

Download a map of the amenities at Theodore Marsh.
Theodore Marsh Playground
Photograph Courtesy of Glenn P. Knoblock
Location
Theodore Marsh is located on Gaylord Road, north of Theodore Street in Crest Hill.

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Joliet Area Bike Trails Map
Rock Run Greenway-Joliet Junction Trail Loop Map
Theodore Marsh Map
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17540 W. Laraway Road, Joliet, IL 60433
815.727.8700 8:00 a.m. - 4:00 p.m. Weekdays
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