The preserve is named after the Potawatomi chief Half Day, who lived in the area during the early 19th century.
The property serves as a major connection point for the 31.4-mile Des Plaines River Trail.
Restoration crews conduct controlled burns here to encourage the growth of fire-dependent prairie vegetation.
The preserve contains high-quality wetlands that act as natural flood control for the surrounding region.
The trail system facilitates year-round activity, including snowshoeing and cross-country skiing during winter months.
Half Day Forest Preserve is a 400-acre site managed by the Lake County Forest Preserve District in Vernon Hills, Illinois. The preserve features a mix of restored tallgrass prairie, oak woodlands, and wetlands. It provides a dedicated trail system for hiking, cycling, and cross-country skiing. The site includes a significant stretch of the Des Plaines River Trail, which connects to a broader regional network. Visitors can utilize designated picnic areas equipped with tables and grills. The preserve acts as a vital corridor for diverse local bird species, making it a frequent destination for avian observation. It is a key location for ecological restoration efforts aimed at protecting native flora and fauna. The terrain is relatively flat, facilitating accessible outdoor recreation for all skill levels.
The wooden bridge crossing the Des Plaines River offers a clear view of the water and surrounding canopy.
Bring insect repellent during the summer months, as the wetlands can attract mosquitoes.
The trail surfaces vary between crushed limestone and paved sections; choose footwear accordingly.
Check the Lake County Forest Preserve website for current trail closure notices due to periodic flooding.
Do not wander off-trail into tall vegetation, as ticks are common in the preserve's grassy areas.
Trails may be temporarily closed following heavy rain if the Des Plaines River overflows its banks.
Stay on marked trails to protect sensitive restoration areas; dogs must be kept on a leash at all times.
