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Illinois Caverns is the second-largest cave in Illinois and has more than 9.6 km of passages. [1] The cave has a constant temperature of 58 °F (14 °C), and portions flood during wet weather. Passages can be 20 feet (6.1 m) high and just as wide. It is located off Illinois Route 3, south of Waterloo, near the unincorporated community of ...
Illinois Caverns State Natural Area: Monroe: 120 0.49 1985: None: ... Crab Orchard Wilderness is located within Crab Orchard National Wildlife Refuge
About 150,000 years ago, the area that is now known as Monroe County in southwest Illinois was covered in ice hundreds of feet thick. When the ice melted, the water flowed into fractures in the ...
The Emiquon National Wildlife Refuge is a 11,122-acre (45.01 km 2) wetland wildlife refuge located in Waterford Township in Fulton County, Illinois across the Illinois River from the town of Havana. Only 3,000 acres (12 km 2 ) are currently managed by the U.S. Fish and Wildlife Service as part of the Illinois River National Wildlife and Fish ...
As of 2009, the Two Rivers National Wildlife Refuge consists of five separate parcels of riverine bottomland wetlands grouped in and around the confluence of the Illinois and the Mississippi Rivers (hence the name, Two Rivers). The region is noted for its population of bald eagles. [2] The refuge is 8,501 acres (34 square km) in size.
Exhibits about natural history of the Cache River Wetlands and Cypress Creek National Wildlife Refuge, managed by the Illinois Department of Natural Resources: Bartlett Nature Center: Bartlett: DuPage: Chicago area: Located in the James "Pate" Philip State Park, operated by the Bartlett Park District [1] Black Hawk State Historic Site: Rock ...
The Great River National Wildlife Refuge protects approximately 11,600 acres (47 km 2) along 120 miles (190 km) of the Mississippi River, stretching north of St. Louis, Missouri. Three separate units are located in the floodplain , on both the Illinois and Missouri sides of the river.
The Chautauqua National Wildlife Refuge is located on the Illinois River in Mason County northeast of Havana, Illinois. It is managed by the U.S. Fish and Wildlife Service as one of the four Illinois River National Wildlife and Fish Refuges. The refuge consists of 4,388 acres (17.76 km 2) of Illinois River bottomland, nearly all of it wetland.