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DeKalb County Forest Preserve - 4,000 acres (16 km 2) Forest Preserve District of DuPage County - 26,000 acres (110 km 2) Forest Preserve District of Kane County - 20,000 acres (81 km 2) Forest Preserves of the Kankakee River Valley - 465 acres (1.88 km 2) Kendall County Forest Preserve District - 2,663 acres (10.78 km 2)
The Forest Preserve District of Cook County is a governmental commission in Cook County, Illinois, that owns and manages land containing forest, prairie, wetland, streams, and lakes. These land holdings are primarily managed as undeveloped natural areas and for outdoor recreation .
The Argonne Forest area is known to geologists as Mount Forest Island, [2] an area which, during the Last Glacial Period, formed a triangular island 6 miles (9.7 km) long and 4 miles (6.4 km) wide, rising 80 to 120 feet (24 to 37 m) above the waters of the surrounding ice-age Lake Chicago.
The Forest Preserve District of DuPage County is a governmental agency headquartered in Wheaton, Illinois, United States.Its mission is to acquire and hold lands containing forests, prairies, wetlands, and associated plant communities or lands capable of being restored to such natural conditions for the purpose of protecting and preserving the flora, fauna and scenic beauty for the education ...
Middlefork Savanna is a of 687 acres (278 ha) nature preserve in Lake Forest, Illinois. [1] Several biomes including oak savannas, dry-mesic prairies, wet-mesic prairies, marshes, deciduous woodlands, and sedge meadows as well as a portion of the North Branch of the Chicago River are found in the preserve. The Middlefork Savanna also contains ...
The first designation, Forest of the Wabash in southern Illinois on the Wabash River, was made in 1965, while the most recent designation, Markham Prairie in northern Illinois, was made in 1987. [1] Natural Landmarks in Illinois range from 53 to 6,500 acres (21.4 to 2,630.5 ha; 0.1 to 10.2 sq mi) in size.
The Forest Preserves now manages and protects more than 31,200 acres (126.2 km2) of natural lands and more than 200 miles (322 km) of multiuse trails. [4] Ethel’s Woods Forest Preserve in Antioch, Illinois is named in honor of her efforts to establish the Lake County Forest Preserves. [5]
Forest Glen Preserve is a 1,800-acre (7.3 km 2) nature preserve in McKendree Township in Vermilion County, Illinois. It is located about 4 miles (6.4 km) east of Illinois State Route 1 between the towns of Westville and Georgetown. It was founded in 1968 and serves as the headquarters for the Illinois Native Plant Society.