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The Nature Institute (TNI) is a non-profit land conservation and environmental education organization based in Godfrey, IL. Since its founding in 1980, The Nature Institute’s board and staff have worked to foster an awareness and appreciation of the natural world through education, restoration, and preservation.
Newsletters
Sep 2026
Heartland Prairie Hike
Heartland Prairie Hikes are a long-running volunteer-led hike at Heartland Prairie at Gordon Moore Park in Alton. Join other prairie enthusiasts on the 2nd and [...]
ECO Homeschool Adventures: Migration Nation
Migration Nation Investigate the journey that monarch butterflies make each fall season! Learn how scientists are tracking these tiny pollinators and what makes a monarch [...]
Trails Closed
The Nature Institute is closed to hikers so that staff can get ready for In Harmony with Nature. There are still tickets available for this [...]
In Harmony with Nature
Description: Imagine the rising, falling, booming sounds of a full orchestra blending with tunes from summer song birds and croaking bullfrogs. In a special way, [...]
Moonlight Hike
Join us on a night hike through the woods. On the trails of the Mississippi Sanctuary and Olin Nature Preserve the terrain is light to [...]
New Registration System, Better Experience for You
The Nature Institute has switched all registration to Amilia SmartRec. Please check out this information page to learn more about setting up your account and registering for programs.