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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.

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...

Free

Somme Woods

Somme Woods 1714 Dundee Road, Northbrook, IL

Somme Woods has bur and white oak savannas and woodlands with massive old oaks, open marshes, and ephemeral ponds. Rich with native plants and animals, the savannas and woodlands are being restored to...

Free

Harms Flatwoods

Harms Flatwoods Harms Road and Old Orchard Road, Skokie, IL

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...

Free

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...

Free

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...

Free

Labagh-Hernandez Woods (by invitation)

Labagh-Hernandez Woods 5275 N. Cicero, Chicago, il

This site is an important migratory bird stop-over along the North Branch of the Chicago River. encompassing wet savanna, marsh, and mature floodplain woods dominated by swamp white oaks. Join an inspiring...