description Cache River Wetlands Overview
The Cache River Wetlands form a protected wetland complex in southern Illinois within the Mississippi River's historic alluvial region. The landscape includes bottomland forest, swamps, sloughs, and floodplain habitats, with notable stands of bald cypress and water tupelo far north of the trees' principal southern range. Portions are recognized as a Wetland of International Importance under the Ramsar Convention and provide habitat for migratory birds, fish, amphibians, and other wetland wildlife.
insights Ranking position
Cache River Wetlands ranks #41 of 108 in the Swamp ranking, behind Green Swamp, ahead of St. Marks National Wildlife Refuge.
help Cache River Wetlands FAQ
Why are bald cypress and water tupelo growing so far north in the Cache River Wetlands?
Southern Illinois lies at the northern edge of the natural range of these swamp trees. The Cache River floodplain preserves cypress-tupelo habitat more commonly associated with the Deep South.
Where can visitors walk through the Cache River's cypress swamp?
Heron Pond has a floating boardwalk passing among bald cypress and water tupelo. Section 8 Woods also has an accessible boardwalk ending near Illinois's state-champion water tupelo.
How old are the largest trees in the Cache River Wetlands?
Some bald cypress trees in the Cache River State Natural Area are more than 1,000 years old. One state-champion specimen has a buttressed base measuring more than 40 feet around.
Can you canoe or kayak in the Cache River Wetlands?
Yes, paddling is permitted on designated waters within the Cache River State Natural Area. Buttonland Swamp and the Lower Cache provide the best-known cypress-lined routes, although water levels can affect access.
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