Farther west in Glenview, along the west fork of the North Branch, is the Air Station Prairie. Sixty years of annual mowing as a security zone for the main runway of the...
Located in the village of Northbrook, in northern Cook County, these forest preserves span the original continuum of prairie to the west and north and savanna and woodland to the east and...
In the village of Skokie, east of the Chicago River’s North Branch, Harms Flatwoods is dominated by huge old bur and swamp white oaks, with an understory of black ash, winterberry, hazelnut...
Linne Woods boasts such spring wildflowers as windflower and toothwort under a canopy of oaks and hickories with an understory of ironwood and black cherry. Directions: For Linne Woods north, go west...