Boulder Recreation Area

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Last Updated: December 5, 2025

Boulder Recreation Area is a popular tourist destination located in the state of Illinois.


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Summary

The area is known for its scenic beauty and rich natural resources, offering a range of activities for visitors of all ages.

One of the best reasons to visit Boulder Recreation Area is to explore its beautiful trails, which are ideal for hiking, biking, and horseback riding. The area is also home to a large lake, which offers excellent opportunities for fishing, boating, and swimming.

Some of the specific points of interest to see in Boulder Recreation Area include the Boulder Dam, which was built in the early 20th century to provide hydroelectric power to the surrounding areas. Visitors can also explore the nearby Shawnee National Forest, which is home to a number of unique plant and animal species.

Interesting facts about Boulder Recreation Area include its designation as a National Recreation Area in 1972, and its role as an important water source for nearby communities. The area is also home to a variety of rare and endangered species, including the Indiana bat and the Eastern Massasauga rattlesnake.

The best time of year to visit Boulder Recreation Area depends on your interests. Summer is a popular time for outdoor activities like swimming and boating, while autumn is known for its beautiful fall foliage. For those interested in fishing, spring and early summer are the best times to visit, as the lake is stocked with a variety of fish species during this time.

       

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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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