Charles Mound

Charles Mound
Skye Marthaler · CC BY-SA 4.0 · source
Name	Charles Mound
Elevation ft	1,235
Prominence ft	95
Range	Driftless Area
Location	Jo Daviess County, Illinois, United States
Coordinates	42°28′24″N 90°03′12″W
Topo	United States Geological Survey

Charles Mound Charles Mound is the highest natural point in Illinois at approximately 1,235 feet above sea level, located in Jo Daviess County, Illinois near the Mississippi River and the Driftless Area. The summit lies within a rural landscape of mixed agricultural fields and wooded ridges, close to the communities of Scales Mound, Illinois, Galena, Illinois, and Elizabeth, Illinois. The site occupies significance for regional geography, paleogeography, and local conservation efforts involving public and private stakeholders.

Geography

Charles Mound sits in the northwestern corner of Illinois within the Driftless Area, a region that escaped the last Pleistocene glaciation and retains deeply incised valleys and remnant ridges. The mound is approximately 4 miles from the Mississippi River and near historic transportation corridors including the Great Lakes–Mississippi River watershed divide and the Illinois River basin. Nearby towns and landmarks include Scales Mound, Illinois, Galena, Illinois, the Apple River Canyon State Park, and the Effigy Mounds National Monument region across the Mississippi River. Regional mapping and survey work has been conducted by the United States Geological Survey and referenced by state agencies such as the Illinois Department of Natural Resources and local Jo Daviess County, Illinois planning commissions.

Geology

Geologically, Charles Mound is underlain by Oriskany Sandstone-equivalent Silurian and Devonian strata typical of the Driftless Area and adjacent Midwestern outcrops. The mound’s summit represents a resistant caprock and erosional remnant, linked to broader stratigraphy described in studies by the United States Geological Survey and regional universities like the University of Illinois Urbana-Champaign and Southern Illinois University. Its formation reflects pre-Quaternary sedimentation, subsequent uplift, and differential erosion processes examined alongside regional features such as the Kaskaskia Sequence, Cairo Lowland, and exposures in Jo Daviess County, Illinois. Paleontological finds in comparable strata across the Midwest have produced fossils cataloged by institutions including the Field Museum of Natural History, the Carnegie Museum of Natural History, and the Smithsonian Institution.

Ecology

The mound and surrounding ridge woodlands host mixed-oak and mesophytic forest assemblages similar to those recorded in the Driftless Area, including species inventories maintained by the Illinois Natural History Survey and the Nature Conservancy. Local flora includes oak and hickory taxa observed in regional herbaria at the Missouri Botanical Garden and the Chicago Botanic Garden, while fauna parallels lists curated by the Illinois Department of Natural Resources and Audubon Society field offices. Migratory bird usage aligns with flyway patterns monitored by the United States Fish and Wildlife Service and the American Bird Conservancy, and herpetofauna records correspond to statewide checklists upheld by the Illinois Natural History Survey. Invasive species management has been coordinated with groups such as the Natural Resources Conservation Service and local Soil and Water Conservation Districts.

Human History

Human interaction with the mound’s landscape spans centuries, intersecting with Indigenous presence from cultures documented at regional sites like Effigy Mounds National Monument and archaeological investigations overseen by the Illinois State Archaeological Survey. European-American settlement in Jo Daviess County, Illinois intensified in the 19th century with figures and events connected to Galena, Illinois, lead mining booms, and transport routes to Chicago. Land ownership and use patterns have involved local families, private landholders, and organizations such as the Nature Conservancy and state agencies. Surveying and designation of the high point drew attention from groups including the United States Geological Survey, Highpointers Club, and state tourism bureaus, with media coverage in outlets like the Chicago Tribune.

Recreation and Access

Access to the summit is subject to private property and managed entry, with recreational visits coordinated through local contacts and organizations such as the Highpointers Club, Illinois Department of Natural Resources, and county tourism offices. Nearby public recreational opportunities include hiking and birdwatching at Apple River Canyon State Park, scenic driving along county routes, and regional heritage tourism in Galena, Illinois and Scales Mound, Illinois. Outdoor education and field studies have involved institutions such as the University of Illinois Urbana-Champaign, Northwestern University, and community groups including the Boy Scouts of America and local Audubon chapters. Safety, seasonal access, and respect for private land are emphasized by county sheriffs and visitor information distributed by the Jo Daviess County, Illinois government.

Conservation and Management

Conservation and management actions affecting the mound have involved partnerships among the Nature Conservancy, Illinois Department of Natural Resources, local landowners, and federal resources like the United States Fish and Wildlife Service. Strategies focus on habitat preservation, erosion control, invasive species mitigation, and public education, leveraging programs administered by the Natural Resources Conservation Service, Soil and Water Conservation Districts, and nonprofit organizations such as The Conservation Fund. Ongoing monitoring and research draw on academic collaborators including the University of Illinois Urbana-Champaign and the Illinois Natural History Survey, while cultural resource protection follows guidelines informed by the National Historic Preservation Act and state-level historic preservation offices.

Category:Landforms of Illinois Category:Highest points of U.S. states