The preserve contains Williams Hill, which stands as the highest elevation point in Rock Island County.
Lake George, the primary body of water within the preserve, covers 167 acres.
The property encompasses 1,480 total acres, making it one of the largest forest preserves in the region.
Loud Thunder offers dedicated trails specifically designed for equestrian use, which is a rarity in many regional public parks.
The park serves as a migration stopover for various bird species due to its proximity to the Mississippi River flyway.
Loud Thunder Forest Preserve is a 1,480-acre public recreation area located along the banks of the Mississippi River in Rock Island County, Illinois. The preserve features Williams Hill, the highest point in the county, offering elevated views of the surrounding terrain. Visitors have access to the 167-acre Lake George, which supports boating and fishing activities for species like bass, bluegill, and catfish. The park maintains over 12 miles of multi-use trails designated for hiking, equestrian use, and mountain biking. Camping facilities include both primitive sites and improved areas with electrical hookups. The preserve is managed by the Rock Island County Forest Preserve District and serves as a major habitat for local wildlife, including deer and wild turkey. Several picnic shelters are available throughout the grounds for group events.
The scenic overlook at the peak of Williams Hill providing a panoramic view of Lake George and the surrounding forest.
Bring insect repellent, as the lake and wooded areas can be dense with mosquitoes during warmer months.
Download or print a trail map before arriving, as cellular service can be inconsistent within the deeper wooded sections.
Secure a camping permit well in advance if planning to stay overnight, as spots fill quickly on summer weekends.
Attempting to swim in Lake George, as swimming is prohibited; also avoid wandering off-trail into restricted wildlife nesting zones.
Camping grounds are generally seasonal; check for winter closures when electrical and water services may be turned off.
Leash all pets at all times, carry out all trash, and yield to horses on multi-use trails.
