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St. Clair County Parks & Natural Areas

This vibrant area offers a mix of cultural landmarks and scenic parks. The renowned Cahokia Mounds State Historic Site provides a fascinating glimpse into ancient history, with preserved mounds and interpretive trails. In Belleville, Bicentennial Park and Bellevue Park feature picturesque walking paths and spaces perfect for relaxation or recreation.

For a peaceful retreat, Silver Creek Preserve in Mascoutah offers a scenic paved trail that winds through woodlands and wetlands, ideal for a quiet nature walk. St. Clair County, Illinois is full of opportunities to explore, unwind, and connect with the outdoors.

Discover Nature in St. Clair County, IL

Click on the map markers to discover more about each destination, from historic landmarks to scenic preserves.

The listings below provide further information about these unique locations.

For additional photos, click on the pictures in each listing and get inspired to plan your visit.

Trees reflected in the lake at Bellevue Park in Belleville, IL.

Bellevue Park
401 Bellevue Park Dr.
27 acres
fitness trail, 3-acre lake

Trees reflected in a peaceful lake at Foley Park in Belleville, IL.

Foley Park
5119 Douglas Rd.
4 lakes

A path through the trees at Laderman Park in Belleville, IL.

Laderman Park
1105 Mascoutah Ave.
22 acres
1-mile paved trail

Reflection the lake at Southside Park in Belleville, IL.

Southside Park
600 S 6th St.
walking paths, 2-acre lake

Cahokia

Trees over a burial mound at Cahokia Mounds State Historic Site in Cahokia, IL.

Trees around a pond at Cahokia Park in Cahokia, IL.

Cahokia Park
212 Cahokia Park Dr.
walking paths, pond

A dock and trees by a lake at Jones Park in East St. Louis, MO.

Jones Park
2500 Argonne Dr.
lake, walking paths

Lebanon

Trees over the lake at Horner Park in Lebanon, IL.

Horner Park
11109 Widicus Rd.
58 acres
lake, short nature trail

A bridge over the lake at Prairie Lakes Park in Mascoutah, IL.

Prairie Lakes Park
Route 177
2 lakes, walking paths

Trees around a pavilion at Scheve Park in Mascoutah, IL.

Scheve Park
Harnett St. & Harper Rd.
walking paths

Trees along the Pine Street Nature Trail in Millstadt, IL.

Pine Street Nature Trail
Pine & Main St.
nature trails

A pavilion and trees at Village Park in Millstadt, IL.

Village Park
Kalbfleisch St.
walking paths

A path in the woods at Rock Springs Park in O'Fallon, IL.

Rock Springs Park
1428 E Third St.
walking trails

Plants and trees at Savannah Hills Park in O'Fallon, IL.

Savannah Hills Park
8012 Savannah Hills Blvd.
.66-mile walking path

Clouds over the lake at Three Springs Park in Shiloh, IL.

Three Springs Park
Frank Scott Parkway
200 acres
walking paths, lake

A path with a bridge at Centennial Park in Swansea, IL.

Centennial Park
311 N Belt E
30 acres
creek, trails, pond

Clouds over a lake at Clinton Hills Conservation Park in Swansea, IL.

Clinton Hills Conservation Park
Old Collinsville Rd.
walking paths, lake, wildflower gardens