The Forest Preserves of Cook County have opened its newest site at 6101 Oak Forest Ave., Tinley Park.

DCNR staff and forest staff, as well as volunteers lead the hikes, which are usually about 1 or 2 miles. Some hikes can be longer depending on the park and its terrain. Some regional state park ...

Dale Luthringer, DCNR environmental education specialist at Cook Forest State Park, conducted a Friends of White’s Woods webinar Nov. 22 about big trees in Pennsylvania, including in White’s ...