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Lower Rock Run Preserve - I&M Canal Access
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Fall generally offers ample opportunities to find all sorts of fungus in the preserves and as cooler, wet weather moves in, be on the lookout while on the trails. View more information.


The 372-acre Lower Rock Run Preserve was acquired between 1989 and 2003.

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

I&M Canal Access is one of two access areas to the preserve. The other access area is McClintock Road Access in Joliet.

Natural Resources

Lower Rock Run Preserve protects a diversity of habitats, including forest, prairie, savanna, wetland, and a portion of Rock Run.

Wildlife found at the preserve includes the northern water snake and eastern kingbird.

The preserve is also home to a variety of plant species, including the leather flower, white water lily, and prairie phlox.

Amenities and Activities


I&M Canal Access provides access to the 9.93-mile, paved Rock Run Greenway Trail, ideal for the following activities:I&M Canal Access also provides access to the Illinois Department of Natural Resources' 61.5-mile, crushed limestone I&M Canal State Trail.

The Rock Run Greenway Trail and I&M Canal State Trail both connect to the 4.36-mile, paved Joliet Junction Trail to provide a 16-mile, mostly paved loop trail. Download a map of the Rock Run Greenway Trail-Joliet Junction Trail loop.


I&M Canal Access offers one picnic shelter for rental, I&M Canal Access Shelter, with a permit capacity of 60 people. Learn more about picnic permits and fees.


Permits are available for geocaching at I&M Canal Access. Learn more about geocaching permits.

Download a map of the amenities at Lower Rock Run Preserve - I&M Canal Access.

Lower Rock Run Preserve - I&M Canal Access Landscape
Photograph Courtesy of Laura Kiran
Lower Rock Run Preserve - I&M Canal Access is located on Houbolt Road/Hollywood Road, north of Route 6/Channahon Road in Joliet.

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17540 W. Laraway Road, Joliet, IL 60433
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