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.
Calendar of Events
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Somme Woods
Somme Woods
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...
1 event,
St Paul Woods
St Paul Woods
St Paul Woods is an inviting oak-hickory woodland situated east of the North Branch of the Chicago River. Like many of our native woodlands, it needs management to clear invasive brush and...
2 events,
Harms Woods
Harms 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...
Somme Woods
Somme Woods
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...
1 event,
Kent Fuller Air Station Prairie
Kent Fuller Air Station Prairie
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...
0 events,
0 events,
0 events,
0 events,
3 events,
Somme Woods
Somme Woods
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...
Harms Flatwoods
Harms Flatwoods
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
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...
3 events,
Harms Woods East
Harms Woods East
Harms Woods East is a mixture of upland woods, floodplain and wet woods lying east of the Chicago River. Work at this part of the site began in 2012 with brush removal...
Somme Woods South
Somme Woods South
Somme Woods South Parking for these workdays is on a residential street. See below. To volunteer or for more information contact: Linda Masters For workdays at Somme Woods South, park only on the south...
Forest Glen Woods
Forest Glen Woods
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...
1 event,
Kent Fuller Air Station Prairie
Kent Fuller Air Station Prairie
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...
0 events,
0 events,
0 events,
0 events,
3 events,
Watersmeet Prairie Grove
Watersmeet Prairie Grove
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...
Linne Woods
Linne Woods
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...
Indian Road Woods
Indian Road Woods
At Indian Road Woods visitors can stroll through a grove of stately old bur oaks on a bluff above the river. In springtime, a large population of the rare wild hyacinth provides...
4 events,
Wayside Woods & Prairie
Wayside Woods & Prairie
The village of Morton Grove has a constellation of sites. One of the fine prairie restorations along the North Branch is Wayside Woods Prairie. A former baseball diamond is now covered with...
Somme Woods
Somme Woods
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...
Spicebush Woods
Spicebush Woods
Restoration work is just beginning on this beautifully wooded site of towering oaks and hickories with an understory of blue beech and spicebush. We'll be clearing buckthorn and pole trees to let...
Bunker North Flatwoods
Bunker North Flatwoods
Bunker North Flatwoods gets its cathedral-like character from the large old pin oaks that dominate the canopy. Join the North Branch Restoration Project and Centennial Volunteers as we restore this oak woodland...
1 event,
Kent Fuller Air Station Prairie
Kent Fuller Air Station Prairie
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...
0 events,
0 events,
0 events,
0 events,
2 events,
Harms Woods
Harms 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...
Somme Prairie Nature Preserve
Somme Prairie Nature Preserve
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...
3 events,
Miami Woods and Prairie
Miami Woods and Prairie
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...
Somme Woods South
Somme Woods South
Somme Woods South Parking for these workdays is on a residential street. See below. To volunteer or for more information contact: Linda Masters For workdays at Somme Woods South, park only on the south...
Forest Glen Woods
Forest Glen Woods
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...
1 event,
Kent Fuller Air Station Prairie
Kent Fuller Air Station Prairie
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...
0 events,
1 event,
Somme Woods
Somme Woods
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...
0 events,
0 events,
3 events,
Watersmeet Prairie Grove
Watersmeet Prairie Grove
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...
Somme Woods
Somme Woods
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...
Oxbow Prairie
Oxbow Prairie
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...
1 event,
Somme Prairie Grove
Somme Prairie Grove
Somme Prairie Grove is a mosaic of prairie, savanna, and woodland. Flowers and grasses such as purple milkweed, cream gentian, bottlebrush grass, and Joe Pye weed contribute to its high quality. Indian...
1 event,
Kent Fuller Air Station Prairie
Kent Fuller Air Station Prairie
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...
0 events,
0 events,
0 events,
0 events,
4 events,
Somme Woods
Somme Woods
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...
Harms Flatwoods
Harms Flatwoods
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...
Bunker Hill Savanna
Bunker Hill Savanna
Winding west and north along the bluff above the Chicago River, the bike path runs through the Forest Preserve known as Bunker Hill Savanna and Sidney Yates Flatwoods . Bounded by Caldwell,...
Forest Glen Woods
Forest Glen Woods
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...
3 events,
Wayside Woods & Prairie
Wayside Woods & Prairie
The village of Morton Grove has a constellation of sites. One of the fine prairie restorations along the North Branch is Wayside Woods Prairie. A former baseball diamond is now covered with...
Somme Woods South
Somme Woods South
Somme Woods South Parking for these workdays is on a residential street. See below. To volunteer or for more information contact: Linda Masters For workdays at Somme Woods South, park only on the south...
St Paul Woods
St Paul Woods
St Paul Woods is an inviting oak-hickory woodland situated east of the North Branch of the Chicago River. Like many of our native woodlands, it needs management to clear invasive brush and...