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Big Rock Forest Preserve: A Natural Oasis

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Explore diverse landscapes at Big Rock Forest Preserve: hiking trails, a quarry lake, and natural beauty in Kane County, Illinois.

Big Rock Forest Preserve, located in Big Rock, Illinois, offers 840 acres of natural beauty, including woodlands, prairies, wetlands, and the scenic Siegler Lake. Visitors can enjoy hiking, fishing, birdwatching, and horseback riding in this diverse landscape.

A brief summary to Big Rock Forest Preserve

Eve
From Eve

Know before you go

Hi, I'm Eve. Here are a few practical things to know before exploring Big Rock Forest Preserve.

  • Bring your fishing gear to Siegler Lake for bluegill, channel catfish, and crappie fishing (check harvest limits beforehand).
  • Wear appropriate footwear for hiking, as trails vary from mowed grass to gravel.
  • Visit during the spring or fall for optimal birdwatching opportunities.
  • Be aware that swimming is not allowed in Siegler Lake, with fines for violators.

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Getting There

  • Driving

    Big Rock Forest Preserve is located at 46W072 Jericho Rd, Big Rock, IL 60511. From I-88, take the IL-47 exit and head north. Continue on IL-47 until you reach Jericho Road, then turn west. The preserve will be on your left. Parking is available at the preserve's parking lots. Parking is free.

Discover more about Big Rock Forest Preserve

Big Rock Forest Preserve is a sprawling 840-acre natural area in Kane County, Illinois, offering a diverse landscape of mature woodlands, high-quality marshes, and tallgrass prairies. The preserve's highlight is Siegler Lake, a 65-foot deep lake formed in the 1990s when floodwaters breached a former limestone quarry. Today, the lake is a popular spot for fishing, canoeing, and kayaking.The preserve features over 10 miles of trails for hiking, with surfaces ranging from mowed grass and dirt to crushed rock and gravel. These trails wind through various habitats, including sandstone bluffs overlooking Big Rock Creek, a fen, grasslands, and wetlands. Visitors can also explore a specialized wetland called a fen, fed by underground seeps.Big Rock Forest Preserve originated in 1992 with 294 acres, and additional land was added in subsequent years. The preserve is home to Big Rock Creek, recognized as one of Illinois' best quality streams, supporting freshwater mussels. The preserve also offers a campground with improved, primitive, and equestrian campsites. During the winter, the preserve is open for cross-country skiing.

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