Welcome! To join a workday, please RSVP or contact the stewards ahead of time (see Contacts at the bottom of each event).

NOTE: All youth (under 18 years of age) must be accompanied by a parent or legal guardian, or be part of a chaperoned group (e.g. scouts, schools, etc). See our FAQs page for details.
  • Harms Flatwoods

    Harms Flatwoods IL, United States

    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...

  • Oxbow Prairie

    Oxbow Prairie 6800 N Caldwell Ave, Chicago, il

    Oxbow Prairie, formed by an old loop in the river’s course, lies northwest of Bunker Hill Savanna. This old oxbow in the Chicago River’s North Branch is a combination of low, wet...

    RSVP Now Free 15 spots left
  • Watersmeet Prairie Grove

    Watersmeet Prairie Grove 1899 winnetka road, northfield, il

    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...

    RSVP Now Free 15 spots left
  • Forest Glen Woods

    Forest Glen Woods Forest Preserve 5420 N Forest Glen Ave, Chicago

    An important corridor for migratory birds, Forest Glen is part of the Lower North Branch Preserves. This unique woodland, savanna, and floodplain ecosystem needs help from our volunteer community to remove invasive...

    RSVP Now Free 15 spots left
  • Linne Prairie

    Linne Prairie 8874 Lehigh Ave, Morton Grove, IL

    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...

    RSVP Now Free 15 spots left
  • Miami Woods and Prairie

    Miami Woods Forest Preserve 8200 N Caldwell Ave, Niles, IL

    The Miami Woods Forest Preserve covers 112 acres stretching along the west side of the North Branch of the Chicago River from Oakton Street northward to Dempster Street.  It is bounded on...

    RSVP Now Free 15 spots left