Why we do it

The answer is as clear as a sunny afternoon on the trail. See the dozens of joggers, bikers, and children walking with parents—all surrounded in natural beauty. You’ll understand.

Native Plants

naturally good neighbors
Over centuries, native plants evolved together with birds, butterflies and other species to create a balanced, healthy environment.

Alien Invasion!

Not little green men, but little green plants from across the seas—often beautiful, but frequently evil. Many are brought here as decorative ground cover. Sometimes they arrive as hitchhikers.

Monarch Hatchery

Observe, both in the wild or at our children-friendly hatchery, the monarch butterfly growing from egg to caterpillar, caterpillar to chrysalis, and chrysalis to majestic monarch.

Volunteer and Support

We need your help. The Friends of the Green Bay Trail is an entirely volunteer organization. Join us when you can.

Upcoming Events

Oct 03
Oct 12

Lend a Hand (at Mary St.)

October 12 @ 9:00 am - 11:00 am
Oct 19

Lend a Hand (at Mary St.)

October 19 @ 9:00 am - 11:00 am
Oct 26

Put the Trail to Bed – Fall Mow and Rake Day

October 26 @ 9:00 am - 11:00 am
Dec 20

Winter Solstice

December 20 @ 5:00 pm - 6:00 pm

Featured Event


New feautred event coming soon!

Coming to an event? Please let us know!

What we do

We are environmental stewards of the Green Bay Trail, restoring a natural,  prairie eco-system. Our goal is to make the trail a national example of the healthy intersection of nature and culture that inspires community and individual well-being. LEARN MORE

Friday Fun Facts – Did you know?

A Bone to Pick

Deer are the only animals that can regenerate bone—their antlers. The horns of other animals like goats and sheep do not fall off. They grow throughout the animal’s life. Deer shed their antlers, and then grow them back.

Orange Migrants

Illinois Monarchs are only here on temporary visas, but they stay for generations! There are 4 generations of Monarchs each year. The first 3 generations live for 2 to 6 weeks. The last generation is the one that migrates back to Mexico, where it lives 6 to 8 months.

Buckthorn Barbecue

The Buckthorn Barbecue is the Friends’ largest annual event. Join us on October 3, 2019 at the Chicago Botanic Garden. For information on the event and how to become a sponsor or buy tickets, CLICK HERE.

THANK YOU - For a Great Trail Day

August 3rd was a sun-filled day of fun, family and festivities. More than 500 people attended and enjoyed the events, food and trail experience. We humbly thank all our volunteers and participants.

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