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...
Named for the joining of the Middle and East Forks of the North Branch of the Chicago River, Watersmeet Prairie Grove has a wide variety of communities, from a limey, wet woods...
This fine oak woodland lies on the west side of the North Branch of the Chicago River in the village of Glenview. Several different species of oak are represented here; red oaks...
Linne Prairie is a different site from the rest of the North Branch preserves. The area was used as temporary storage for a huge pile of limestone excavated for the deep tunnel...
Located on the North Branch of the Chicago River, LaBagh is an important stopover point for birds during their spring and fall migration journeys. Most of LaBagh is made up of floodplain...