Lake In The Hills Fen State Conservation Area

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Last Updated: December 5, 2025

Lake In The Hills Fen State Conservation Area is located in McHenry County, Illinois.


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Summary

It is a unique natural area that provides a habitat for various plants and animals. The conservation area is home to several rare species of plants, including the eastern prairie fringed orchid and the Kalm's Lobelia.

Visitors can enjoy hiking along the trails that wind through the conservation area, observing the various ecosystems that exist within the fen. The area also offers excellent bird-watching opportunities, with over 80 species of birds recorded in the area.

One specific point of interest in the conservation area is the boardwalk that leads visitors through the heart of the fen. The boardwalk provides an up-close view of the plant and animal life that exists in this unique ecosystem.

Interesting facts about the area include that it was formed over 8,000 years ago by glacial melting and that it is one of the few remaining fens in Illinois.

The best time of year to visit Lake In The Hills Fen State Conservation Area is in the summer when the fen is in full bloom. However, the area is open year-round for visitors to enjoy the changing seasons and unique features of the fen.

       

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Park & Land Designation Reference

National Park
Large protected natural areas managed by the federal government to preserve significant landscapes, ecosystems, and cultural resources; recreation is allowed but conservation is the priority.
State Park
Public natural or recreational areas managed by a state government, typically smaller than national parks and focused on regional natural features, recreation, and education.
Local Park
Community-level parks managed by cities or counties, emphasizing recreation, playgrounds, sports, and green space close to populated areas.
Wilderness Area
The highest level of land protection in the U.S.; designated areas where nature is left essentially untouched, with no roads, structures, or motorized access permitted.
National Recreation Area
Areas set aside primarily for outdoor recreation (boating, hiking, fishing), often around reservoirs, rivers, or scenic landscapes; may allow more development.
National Conservation Area (BLM)
BLM-managed areas with special ecological, cultural, or scientific value; more protection than typical BLM land but less strict than Wilderness Areas.
State Forest
State-managed forests focused on habitat, watershed, recreation, and sustainable timber harvest.
National Forest
Federally managed lands focused on multiple use—recreation, wildlife habitat, watershed protection, and resource extraction (like timber)—unlike the stricter protections of national parks.
Wilderness
A protected area set aside to conserve specific resources—such as wildlife, habitats, or scientific features—with regulations varying widely depending on the managing agency and purpose.
Bureau of Land Management (BLM) Land
Vast federal lands managed for mixed use—recreation, grazing, mining, conservation—with fewer restrictions than national parks or forests.
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